| "A dangerous species of ally" : Orangeism and the Irish Yeomanry | Blackstock, Allan | Article in Journal | | 1997 |
| "A hundred thousand welcomes" : unionism, nationalism, partition and the arrival of American forces in Northern Ireland in January 1942 | Topping, Simon | Article in Journal | | 2018 |
| "A little man in a great war" : Patrick Macgill and the London Irish Rifles | Taylor, David | Article in Book | Sutton | 1998 |
| "A voice from the lonely grave" : the death in action of Major William Redmond, M.P., 7 June 1917 | Denman, Terence | Article in Journal | | 1992 |
| "A weapon of war yet untried" : Irish Catholics and the armed forces of the Crown, 1760-1830 | Bartlett, Thomas | Article in Book | Lilliput Press | 1993 |
| "Aiken's slugs" : the reserve of the Irish army under Fianna Fáil | Joye, Labhras | Article in Book | Four Courts Press | 1999 |
| "Dishonoured" : the 'Colonels' surrender' at St Quentin, the retreat from Mons, August 1914 | Scott, Peter T. | Monograph or Collective Volume | Tom Donovan | 1994 |
| "God help the Irish!" : the history of the Irish Brigade | Tucker, Phillip Thomas, 1953- | Monograph or Collective Volume | McWhiney Foundation Press : Distributed by Texas A&M University Press Consortium | 2007 |
| "Goodbye Dublin" : the British military evacuation 1922 | Kinsella, A. | Article in Journal | | 1998 |
| "He was a nice lad and he stayed a nice lad." - Lt Aengus Murphy | The Murphy Family | Article in Journal | | 2015 |
| "It is for a nation of martyrs to cultivate constant self-restraint." The Irish Catholic bishops' attitude to the IRA campaign, 1919-21 | Heffernan, Brian | Article in Journal | | 2008 |
| "It's a Long Way to Tipperary" : a military barracks, a song and a World War. Part three : training the 49th Brigade, 1914-15|Part four: A military Barracks, a song and a World War | Marnane, Denis, G. | Article in Journal | | 2017 |
| "It's a long way to Tipperary": a military barracks, a song and a World War. Part One | Marnane, Denis G. | Article in Journal | | 2014 |
| "It's a long way to Tipperary": a military barracks, a song and a World War. Part Two | Marnane, Denis G. | Article in Journal | | 2014 |
| "Military manoeuvres" | Fox, John | Article in Journal | | 1996 |
| "Old Black" : the Life of Major General C. G. Blackader, 1869-1921 | Jenkins, Robin P. | Article in Journal | | 2006 |
| "One Yank and They're Off" : Interaction between U.S. Troops and Northern Irish Women, 1942-1945 | McCormick, Leanne | Article in Journal | | 2006 |
| "Pardon me boy" : the Americans in Ulster, 1942-1945 : a pictorial record | Hanna, Ronnie | Monograph or Collective Volume | Ulster Society | 1991 |
| "Teaching the world to fly" : R.R. Smith-Barry | Hawkins, Richard | Article in Journal | | 1996 |
| "The German soldier is not tactful" : Roger Casement and the Irish brigade in Germany during the First World War | Broth, Andreas | Article in Journal | | 1995 |
| "The glorious dead"? : commemorating the security forces in Northern Ireland | Switzer, Catherine | Article in Book | | 2005 |
| "The glorious twelfth" : reminiscenses of an 'E' man | Forde, Maurice | Article in Journal | | 1989 |
| "The Good Lord Galway" : The English and Irish Careers of a Huguenot Leader | Vigne, Randolph | Article in Book | Ashgate | 2007 |
| "The goodness of pikes" | Anonymous | Article in Journal | | 1997 |
| "The invasion that never was" : naval and military aspects of the French expedition to Bantry Bay, 1796 | Bartlett, Thomas | Article in Book | Mercier Press | 1997 |
| "The minstrel boy to the war has gone" : rifleman 3008, Patrick MacGill and a soldier's experience of the First World War | Taylor, David | Article in Book | Sutton | 1999 |
| "The most outrageous set of people that ever lived" : desertion, identity and Irish seamen of the Royal Navy in North America, 1745-1815 | Hubley, Martin | Article in Book | Irish Academic Press | 2009 |
| "The only thing British that everybody likes" : military-civilian relations in late Victorian Ulster | Garnham, Neal | Article in Journal | | 2006 |
| "The red livery of shame" : the campaign against army recruitment in Ireland, 1899-1914 | Denman, Terence | Article in Journal | | 1994 |
| "The Saint Patrick's fought for their skin and Mexico" | Baker, Kimball | Article in Journal | | 1978 |
| "The Sword and the Law" : Elizabethan soldiers' perception and practice of the laws of armed conflict, 1569-1587 | Smith, Justin Samuel Ewald | Thesis | | |
| "The White God of the Hindus" : John Nicholson as a British and Irish imperial hero | Silvestri, Michael | Article in Book | Irish Academic Press | 2009 |
| "The world's rarest doctor" : Surgeon Major T.H. Parke | Smith, Des | Article in Journal | | 1992 |
| "Tipperary Joe" : Field Marshal Viscount Gough | Chadwick, Anne | Article in Journal | | 1994 |
| "Unofficial" British reprisals and IRA provocations, 1919-1920: The cases of three Cork towns | Donnelly, James S., Jr | Article in Journal | | 2010 |
| ' A few notes on German treatment' : the diary of Sergeant Charles Mills, Royal Munster Fusiliers, 1918 | Ó h-Uanacháin, Micheál | Article in Journal | | 1983 |
| 'A battle of giants' : Waterloo, Wellington and Ireland | Geoghegan, Patrick | Article in Journal | | 2015 |
| 'A better soldier never stepped', Major George Ogle Jacob, 1819-1857 | McCarthy, Dermot | Article in Journal | | 2010 |
| 'A dish with one spoon' : American experience and the transformation of three officers of the crown | Linebaugh, Peter | Article in Book | Four Courts Press | 2003 |
| 'A Picture of the Last Judgement' - Irish experiences of Flanders, 1915 | Phelan, Mark | Article in Journal | | 2019 |
| 'A work of Irish manufacture' Captain William Seaborne's Waterloo model | Hofschroer, Peter | Article in Journal | | 2005 |
| 'Active service' : changing definitions | Brennan, Patrick | Article in Book | Óglaigh na hÉireann [Defence Forces Ireland] | 2012 |
| 'Always in danger of finding myself with nothing at all' : the Military Service Pension and the battle for material survival, 1925-1955 | Ferriter, Diarmaid | Article in Book | Óglaigh na hÉireann [Defence Forces Ireland] | 2012 |
| 'Both by position and talents a leading man': William Monsell M.P. and the waging of the Crimean War | Potter, Matthew | Article in Journal | | 2013 |
| 'Close enough to toss a ship's biscuit ashore' - The French Fleet at Bantry Bay, 1796 | McGarry, Stephen
| Article in Journal | | 2016 |
| 'Colonel Zanchy' and Charles Fleetwood | Shirren, A. J. | Article in Journal | | 1953 |
| 'Deaths in Irish regiments 1939-1945 and the extent of Irish volunteering for the British army': a response | Doherty, Richard | Article in Journal | | 2008 |
| 'Deaths in Irish regiments 1939-1945 and the extent of Irish volunteering for the British army': a response | Doherty, Richard | Article in Journal | | 2008 |
| 'Disappearing' guns in Ireland, 1870-1910 | Clements, W.H. | Article in Journal | | 2021 |
| 'Dusky Doughboys' - African-American soldiers in Northern Ireland during the Second World War | Topping, Simon | Article in Journal | | 2022 |
| 'Endynamited by Christ'. Sandes soldiers' homes | MacMahon, Brian | Article in Journal | | 2005 |
| 'Exercising a close vigilance over their daughters': Cork women, American sailors, and Catholic vigilantes, 1917-18 | Borgonovo, John | Article in Journal | | 2012 |
| 'Faithful Children of the Holy See': The Defence Forces Chaplaincy Service, 1945-59 | Hartigan, Maurice | Article in Journal | | 2023 |
| 'Fancy the Royal irish captured Moore Street' Attitudes to the Easter Rising of Irish soldiers serving in the British Army in Dublin | Burke, Tom | Article in Journal | | 2011 |
| 'For her sole and separate use' | Pierce, Siobhan | Article in Journal | | 2006 |
| 'Foully butchered in a manner so treacherous'. The execution of a National Army Officer a century ago followed two shocking killings in rural Kerry in the months after the end of the Civil War | O'Shea, Owen | Article in Journal | | 2024 |
| 'Gentlemen of the Machine Gun Class' | Ferguson, Kenneth | Article in Journal | | 2018 |
| 'Hags of Hell': late medieval Irish kern | Cannan, Fergus | Article in Journal | | 2011 |
| 'Headquarters Irish Command, Parkgate, Dublin' | Kinsella, Anthony | Article in Journal | | 2014 |
| 'His name was Patrick Sheehan': the background to Charles J. Kickham's famous ballad | Kenny, Michael | Article in Journal | | 2018 |
| 'Into Another Mould' : aspects of the Interregnum | | Monograph or Collective Volume | | 1981 |
| 'It was grand to see our Tommies': reactions to the Easter Rising in the Monica Roberts Collection | Murphy, Ellen | Article in Journal | | 2016 |
| 'It's a long way to Salonika' : Irish Soldiers in the Balkans in World War I | McDermott, AlicePower, Mark | Article in Journal | | 2006 |
| 'Lest we forget' : Trooper Pat Mullins | Pakenham, Paul | Article in Journal | | 2011 |
| 'Little Paddy' among 'The Irish Giants'. An Irish piper in the 86th Royal County Down Regiment, 1833-5 | Donnelly, Seán | Article in Journal | | 2014 |
| 'Look Back in Anger'. Ireland and World War One | Hanley, Brian | Article in Journal | | 2014 |
| 'Lost in transit': an account of two wartime aircraft accidents in the Antrim hills | Sheldon Mark | Article in Journal | | 2012 |
| 'McCafferty' : the story of the song | Blaney, Jim | Article in Journal | | 1995 |
| 'Mick' Mannock - the forgotten ace | Mullen, Thomas J. | Article in Journal | | 1971 |
| 'No longer standing idly by'? Irish Army contingency plans, 1969-70 | Longwill, Edward | Article in Journal | | 2009 |
| 'Not a game of cowboys and indians' - the Ulster Defence Association in the 1990s | McAuley, James White | Article in Book | | 1995 |
| 'Only his horse came back'. The story of George Gamble of Montalto | O'Loan, Donnell | Article in Journal | | 2019 |
| 'Operation Sarsfield'. The Irish army in the Congo | Harris, H.E.D. | Article in Journal | | 2008 |
| 'Paralysing the arm' : the Unionists and the Army Annual Act, 1911-14 | Smith, Jeremy | Article in Journal | | 1996 |
| 'Personally an able fellow': The career of Peadar Cowan: Westmeath Gaelic Athletic Association (GAA) administrator and political activist | Hunt, Tom | Article in Journal | | 2017 |
| 'Pirates in our channel': The Cromwellian navy in Ireland, 1649-53 | Murphy, Elaine | Article in Journal | | 2011 |
| 'Removing some big guns': the story of Dublin's Crimean War trophy guns from 1857 to the present | Huddie, Paul | Article in Journal | | 2014 |
| 'Seminarie soldiers' : connections between the religious and military communities in the Spanish Netherlands - 1585-1610 | Henry, A. G. | Article in Journal | | 1987 |
| 'Special duty' and 'ill-treatment': violence against women in Meath | Holsgrove, Tracey | Article in Journal | | 2023 |
| 'Statement issued by the Cardinal Primate and the archbishops and bishops of Ireland on the present condition of their country' (1920) | Waldron, Kieran
| Article in Journal | | 2021 |
| 'Step together' : the story of Ireland's Emergency army as told by its veterans | MacCarron, Donal | Monograph or Collective Volume | Irish Academic Press | 1999 |
| 'Strong about it all...' : rural and urban women's experiences of the security forces in Northern Ireland | | Monograph or Collective Volume | North West Women's/Human Rights Project | 2001 |
| 'The academy of warre' : military affairs in Ireland, 1600 to 1800 | Bartlett, Thomas | Monograph or Collective Volume | National University of Ireland | 2002 |
| 'The Cliona, the Maev and the Macha, the pride of the Irish navee' A brief history of the Irish Naval Service | Brunicardi, Daire | Article in Journal | | 2021 |
| 'The Emergency' - World War II | Gormally, Martin Jarlath | Article in Journal | | 2008 |
| 'The Grand Question debated': Jonathan Swift, army barracks, parliamenand money | McGrath, Charles Ivar | Article in Journal | | 2016 |
| 'The nation is profoundly grateful' : the Irish defence forces, 1939-1946 | Ireland Military Archives | Monograph or Collective Volume | Defence Forces Headquarters, Military Archives | 1996 |
| 'The South is in the mood for violence': Bloody Sunday, 1972 | Hanley, Brian | Article in Journal | | 2012 |
| 'The undone years' An account of the Hackett siblings from Clonmel who laid down their lives for the Great War effort | McDermott, Alice | Article in Journal | | 2014 |
| 'The Volunteers of '82' : a citizen army or armed citizens - a bicentennial retrospect | Ó Snodaigh, Pádraig | Article in Journal | | 1983 |
| 'This a private shindy or can any bloke join in?': Why neutral Irish volunteered for service in the British Forces during the Second World War | Jenkins, Jeremy | Article in Journal | | 2012 |
| 'Title deed to America' : Union ethnic regiments in the civil war | Burton, William | Article in Journal | | 1980 |
| 'True Brittons and real Irish' : Irish Catholics in the British Army during the Revolutionary and Napoleonic Wars | Kennedy, Catriona | Article in Book | | 2013 |
| 'True Citizens' and 'Pariah Dogs': demobilisation, deserters and the de Valera government, 1945 | Kelly, Bernard | Article in Journal | | 2012 |
| 'Truth recovery' and the role of the security forces in the Northern Ireland Troubles | Edwards, Aaron | Article in Book | | 2017 |
| 'Unofficial emissaries' : British army boxers in the Irish Free State, 1926 | Fitzpatrick, David | Article in Journal | | 1996 |
| 'We English protest' - Margaret Buckmaster's Peace Crusade | Dunphy, Eugene | Article in Journal | | 2021 |
| 'We personally had no quarrel with the rioters': Anzacs in Dublin during the Easter Rising | Kildea, Jeff | Article in Journal | | 2017 |
| 'We will never forget Poyntzpass' | Brichot, Francois | Article in Journal | | 2000 |
| 'Where's my boys....': The story of the Shea brothers in the Great War | O'Keefe, James | Article in Journal | | 2017 |
| 20 years of UNTSI | Sheeran, Daniel | Article in Journal | | 2014 |
| 250 years old : the Augusta County Regiment | Burton, Patricia | Article in Journal | | 1992 |
| 28 Inf. Bn. 'In a peculiarly regrettable situation' | King, Cecil | Article in Journal | | 1991 |
| 3rd (Ulster) Anti-Aircraft Brigade, RA (SR) | Doherty, Richard | Article in Journal | | 1991 |
| 4th and 6th Dragoon Guards, 1718 | Sumner, Percy | Article in Journal | | 1946 |
| 50 years agrowing? | Young, Peter | Article in Journal | | 1990 |
| 50 years of heli ops | Browne, DavidGallagher, Colin | Article in Journal | | 2013 |
| 5th Royal Irish Lancers | Hitchcock, F. C. | Article in Journal | | 1941 |
| 7 July 1922: Free State Forces Attack Skeog House : Resolve | Mac Suibhne, Breandán | Article in Book | | 2022 |
| 8 UDR and the 8th (Co Tyrone) Battalion, the Ulster Defence Regiment | Ferguson, T. A. | Monograph or Collective Volume | 8th (Co Tyrone) Battalion, Ulster Defence Regiment | 1995 |
| A Cork Gaelic text on a Napoleonic campaign | Buttimer, Cornelius G. | Article in Journal | | 1990 |
| A ' Wild Geese ' from Dundalk: General Miguel (Michael) Marmion, Spanish army | Marmion, William F.K., Chevalier | Article in Journal | | 2012 |
| A 'Catholic Wind' on Bantry Bay? | Kennedy, Gordon | Article in Journal | | 2017 |
| A 'Whig rebel'? The parliamentary career of J. J. O'Kelly (1845-1916) | King, Carla | Article in Journal | | 2013 |
| A 1914 war diary of Major Bryan Cooper | Cooper, Bryan | Article in Journal | | 2012 |
| A bay of destiny : a history of Bantry Bay and Bantry | Carroll, Michael J. | Monograph or Collective Volume | Bantry Design Studios | 1996 |
| A Belgian prosecutor, remembers | Jaer, Jacquesde | Article in Book | | 2005 |
| A blast from the past | Stone, Colin | Article in Journal | | 2013 |
| A bloody day : the Irish at Waterloo | Harvey, Dan | Monograph or Collective Volume | H Books | 2015 |
| A brave soldier of Kenagh | Egan, Paddy | Article in Journal | | 2006 |
| A brief description of the military bodies constiuting 'the Forces' as applicable to the Military Service Pensions Collection | Brennan, Patrick | Article in Book | | 2012 |
| A brief history of Lisburn's airbases | Cromie, Ernie | Article in Journal | | 2006 |
| A brief history of the 62 Reserve Infantry Bn | Scannell, James | Article in Journal | | 2012 |
| A Butler in the service of the Tsar | Burgess, Eleanor | Article in Journal | | 1985 |
| A call to arms | O'Brien, Paul | Article in Journal | | 2014 |
| A campaign map from Connacht, 1586 | Ó Lochlainn, Colm, 1892-1972 | Article in Journal | | 1950 |
| A Clarecastle rifle-range | Shaw, Eric
| Article in Journal | | 2012 |
| A commentary on the commemoration of the battle of Ross | Donovan, Patrick | Monograph or Collective Volume | Standard | 1950 |
| A corps of yeomanry gunners in Ireland 1805-06 : the Loughlinstown gunners | Kerrigan, P. M. | Article in Journal | | 1983 |
| A coward if I return, a hero if I fall : stories of Irish soldiers in WWI | Richardson, Neil | Monograph or Collective Volume | O'Brien Press | 2010 |
| A dangerous stretch of water: the Irish Sea in the Second World War | McCarthy, Patrick | Article in Journal | | 2021 |
| A deeper silence : the hidden origins of the United Irishmen | Stewart, A(nthony) T(erence) Q(uincey), 1929-2010 | Monograph or Collective Volume | Blackstaff Press | 1998 |
| A doctor's war | MacCarthy, Aidan | Monograph or Collective Volume | Collins Press | 2005 |
| A document from the officer corps of the Walsh regiment, 1776 | Vautravers, Guillaume | Article in Journal | | 2003 |
| A Dublin-printed Army list of 1710 | Ferguson, Kenneth | Article in Journal | | 2000 |
| A famous Clones general | McCabe, D. | Article in Journal | | 1994 |
| A flying visit | Browne, Paul | Article in Journal | | 1995 |
| A forgotten army : the Irish Yeomanry | Blackstock, Allan | Article in Journal | | 1996 |
| A Free State soldier's memories of the Civil War | Duff, Frank | Article in Journal | | 1993 |
| A Galway officer of the Spanish navy | Walsh, Micheline | Article in Journal | | 1955 |
| A Galway scion in India | Ó hAnnracháin, Eoghan | Article in Journal | | 2005 |
| A ghost of a chance : Private John Daly of Hugginstown and the Great War | McDermott, Alice | Article in Journal | | 2016 |
| A Glasthule soldier | Weafer, John | Article in Journal | | 2000 |
| A great Irish soldier : Lieutenant W.R.P. Hamilton, V.C. | Blacker, Stewart | Article in Journal | | 1949 |
| A Greek authoritarian phase? the Irish army and the Irish crisis, 1969-70 | O'Halpin, Eunan | Article in Journal | | 2008 |
| A gross violation of the public peace : the Tullamore incident, 1806 | Grey, Daniel S. | Article in Journal | | 1976 |
| A guide to Irish military heritage | | Monograph or Collective Volume | Four Courts | 2004 |
| A guide to the Irish volunteer, yeomanry and militia relics | Belfast Museum and Art Gallery | Monograph or Collective Volume | [s.n.] | 1938 |
| A handbook for Irish war graves in India, Burma & beyond, 1914-45 | | Monograph or Collective Volume | Kabristan Archives | 2005 |
| A hard local war : the British army and the guerrilla war in Cork, 1919-22 | Sheehan, William, 1968- | Monograph or Collective Volume | History Press | 2011 |
| A hero of Waterloo at Mallow | Myers, Kevin | Article in Journal | | 2015 |
| A history of 3 Cavalry Squadron, 1939-1989 | Kelly, E. | Article in Journal | | 1989 |
| A history of Haulbowline, base of the naval service | Brunicardi, D. N. P. | Article in Journal | | 1965 |
| A history of the Bunbury family | Bunbury, Turtle | Article in Journal | | 2012 |
| A history of the Co. Wicklow regiment of militia, part 1 | Flynn, Brendan | Article in Journal | | 1990 |
| A history of the Irish army | Duggan, John P. | Monograph or Collective Volume | | 1991 |
| A history of the Irish Naval Service | McIvor, Aidan | Monograph or Collective Volume | Irish Academic Press | 1994 |
| A history of the Irish soldier | Bredin, A. E. C. | Monograph or Collective Volume | Century | 1987 |
| A history of the military forces operating in Ireland, 1641-9 | Hazlett, Hugh | Thesis | | 1938 |
| A history of the Royal Air Force and United States Naval Air Service in Ireland, 1913-1923 | Conran, PhilHayes, Karl E.Kearns, A. P. | Monograph or Collective Volume | [s.n.] | 1988 |
| A history of the Royal Sussex Regiment : a history of the old Belfast Regiment and the Regiment of Sussex, 1701-1953 | Martineau, G. D. | Monograph or Collective Volume | | 1955 |
| A history of the school | Quirke, Liam | Article in Book | | 1996 |
| A Jacobite colonel : Lord Sarsfield of Kilmallock | Simms, J. G. (John Gerald) | Article in Journal | | 1954 |
| A jildy soldier | Bourke, Wesley | Article in Journal | | 2012 |
| A journey of remembering : book of honour | Hall, Donal | Article in Journal | | 2000 |
| A Kilmacduagh lad | Donohue, Nick | Article in Journal | | 2002 |
| A letter ... for disbanding the Irish regiments in the service of France and Spain | Forman, Charles | Monograph or Collective Volume | | 1728 |
| A letter from Major John Butler to Lt. Col. Bolton, dated Laruvanack 8th July 1778 | Butler, JohnGillott, Thelma | Article in Journal | | 1987 |
| A life well lived | Whelan, Michael | Article in Journal | | 2008 |
| A lonely grave : the life and death of William Redmond | Denman, Terence | Monograph or Collective Volume | Irish Academic Press | 1996 |
| A long long war : voices from the British Army in Northern Ireland, 1969-98 | Wharton, Ken M. | Monograph or Collective Volume | Helion | 2008 |
| A lost heritage : the Connaught Rangers and multivocal Irishness | Morrissey, John | Article in Book | | 2005 |
| A maritime history of Britain and Ireland c. 400-2001 | Friel, Ian | Monograph or Collective Volume | British Museum | 2003 |
| A Meath officer's tomb at the church of Saint Gertrude in Tenneville | Robertson, StephanieÓ hAnnracháin, Eoghan | Article in Journal | | 2019 |
| A military map of Ireland of the late 1790s | Kerrigan, P. M. | Article in Journal | | 1975 |
| A misattributed quotation? Sir William Napier, Faugh-a-Ballagh, and the 88th Connaught Rangers | Donnelly, Sean | Article in Journal | | 2014 |
| A most delightful station : the British Army on the Curragh of Kildare, Ireland, 1855-1922 | Costello, Con | Monograph or Collective Volume | Collins Press | 1996 |
| A narration of the services done by the army ymployed to Lough-Foyle | Docwra, Henry, 1st Baron Docwra of Culmore, bap. 1564, d. 1631 | Article in Book | | 1849 |
| A narrative of my professional adventures (1790-1839), Vol. 1:1790-1802 | Dillon, William Henry, SirLewis, Michael | Monograph or Collective Volume | Navy Records Society | 1953 |
| A narrative of what passed at Killala in the county of Mayo during the French invasion in the summer of 1798 | Stock, J. | Monograph or Collective Volume | | 1800 |
| A neglected example of naval operations in northwestern Europe during the middle ages : the struggle to dominate Ireland, 900-1200 | Walsh, Paul V. | Article in Book | | 1997 |
| A new history of Cromwell's Irish campaign | McKeiver, Philip G. | Monograph or Collective Volume | Advance Press | 2007 |
| A noble tradition : regiment d'infanterie de Berwick | Travers, DesmondÓ hAnluain, P. É. | Article in Journal | | 2000 |
| A noble tradition : regiment d'infanterie de Bulkeley | Travers, DesmondÓ hAnluain, P. É. | Article in Journal | | 2000 |
| A noble tradition : Regiment d'infanterie de Clare | Travers, DesmondÓ hAnluain, P. É. | Article in Journal | | 2000 |
| A noble tradition : regiment d'infanterie de Dillon | Travers, DesmondÓ hAnluain, P. É. | Article in Journal | | 2000 |
| A noble tradition : Regiment d'infanterie de Walsh | Travers, DesmondÓ hAnluain, P. É. | Article in Journal | | 2000 |
| A noble tradition : regiment de Fitzjames | Travers, DesmondÓ hAnluain, P. É. | Article in Journal | | 2000 |
| A noble tradition : regiment of Rothe | Travers, DesmondÓ hAnluain, P. É. | Article in Journal | | 2000 |
| A noble tradition : San Patricios | Travers, DesmondÓ hAnluain, P. É. | Article in Journal | | 2001 |
| A noble tradition : The Davis guards in the American Civil War 1861-65 | Travers, DesmondÓ hAnluain, P. É. | Article in Journal | | 2001 |
| A noble tradition : the Irish Brigade in the American Civil War 1861-65 | Travers, DesmondÓ hAnluain, P. É. | Article in Journal | | 2001 |
| A noble tradition : The Irish Legion | Travers, DesmondÓ hAnluain, P. É. | Article in Journal | | 2000 |
| A nominal roll of officers and NCOs of B Coy 8 Inf. Bn., FCA | Durnin, Peter | Article in Journal | | 2007 |
| A non-commissioned officer and a gentleman | Bourke, Wesley | Article in Journal | | 2009 |
| A notable Irish soldier, Thomas O'Meara | Hayes, Richard Francis | Article in Journal | | 1949 |
| A note on Jean Arnaud | Costello, Vivien | Article in Journal | | 2006 |
| A pastoral letter to the catholic clergy of the united dioceses of Waterford and Lismore | Hussey, Thomas | Monograph or Collective Volume | | 1797 |
| A pictorial history of Óglaigh na hÉireann, The Defence Forces of Ireland | | Monograph or Collective Volume | Defence Forces Printing Press | 2016 |
| A place for military history | Parsons, Denis | Article in Journal | | 1994 |
| A plane crash in Glendun | Roberts, Deirdre | Article in Journal | | 2014 |
| A portrait of Lieutenant Field Marshal William O'Kelly (1703-67) | Murtagh, HarmanThompson, F. Glenn | Article in Journal | | 1983 |
| A prayer for the good success of her majesties forces in Ireland [1599] | | Article in Journal | | 2004 |
| A price on my head | Callaghan, KevinGorry, Terry | Monograph or Collective Volume | Owl Books | 1993 |
| A punch bowl in the ceramic collection of the University of Wales, Bangor : vanished dreams of military glory and the reality of eighteenth century recruitment | Jones, John Ellis | Article in Journal | | 2005 |
| A representation of the cloathing of His Majesty's household and of all the forces upon the establishments of Great Britain and Ireland. 95 plates ... all colored by hand | Anonymous | Monograph or Collective Volume | | 1742 |
| A Retired Chief of Staff reflects on the Congo | Hogan, Louis | Article in Book | | 2005 |
| A seal of an Irish regiment in the service of the King of France | Williams, N. J. A. | Article in Journal | | 1992 |
| A select bibliography of British and Irish university theses about maritime history, 1792-1990 | | Monograph or Collective Volume | International Maritime Economic History Association | 1991 |
| A select bibliography of printed sources for maritime historians | Warke, Oonagh | Article in Journal | | 1992 |
| A short account of the life and service to his country in the East Lancashire Regiment, of Harold Marcus Ervine-Andrews Victoria Cross | Walsh, Jean M.Walsh, R. Raymond | Monograph or Collective Volume | T.H.C.L. | 2000 |
| A short history of Portobello Barracks, part 2 | O'Donnell, P. D. | Article in Journal | | 1969 |
| A short history of the Air Corps | Cassidy, M. | Article in Journal | | 1980 |
| A short history of the Royal Inniskilling Fusiliers | Parke, William K. | Article in Book | | 2004 |
| A soldier of the Queen: General J.P. Redmond | McConnel, James | Article in Journal | | 2013 |
| A soldier of the regiment of Lee, 1698 | Thompson, F. Glenn | Article in Journal | | 1987 |
| A song relative to a fight between the Kerry militia and some yeomen at Stewartstown, Co. Tyrone, 1797 | De Brún, Pádraig | Article in Journal | | 1973 |
| A staff officer's diary Oct - Dec 1940 | Flynn, James T. | Article in Journal | | 1989 |
| A story of the Great War : Gallipoli-Dardanelles | Magee, Margaret | Article in Journal | | 2014 |
| A survey of the demands made on the Welsh shires to supply soldiers for the Irish War 1594-1602 | McGurk, J. N. N. (John James Noel) | Article in Journal | | 1983 |
| A Swedish interpreter's viewpoint | Von Bayer, Stig | Article in Book | | 2005 |
| A Swiss soldier in ireland, 1689-90 | Lenihan, PádraigSheridan, Geraldine | Article in Journal | | 2005 |
| A tale of two rangers : (the Connaught Rangers - a crack British regiment) | Kerrigan, John | Article in Journal | | 1992 |
| A testimony to courage : the history of the Ulster Defence Regiment | Potter, John | Monograph or Collective Volume | Leo Cooper | 2001 |
| A trace of the Wild Geese 'en route' | Ó hAnnracháin, Eoghan | Article in Journal | | 2013 |
| A tragedy of the Civil War | Murphy, Rory | Article in Journal | | 1995 |
| A treatise on military finance; containing the pay, subsistence, deductions, and arrears of the forces on the British and Irish establishments ... with an enquiry into the method of cloathing and recruiting the army | [Williamson, John] | Monograph or Collective Volume | | 1782 |
| A very British jihad : collusion, conspiracy and cover-up in Northern Ireland | Larkin, Paul | Monograph or Collective Volume | Beyond the Pale | 2004 |
| A view from the Birdcage | Sandford, Stephen | Article in Journal | | 2017 |
| A village incident | O'Connor, Declan | Article in Journal | | 2007 |
| A volunteer muster at Smithfield in 1798 | Anonymous | Article in Journal | | 1981 |
| A War for Small Nationalities: The Great War, Nationalism and the Irish Conscription Crisis of 1918 | Joesten, Daniel McKenna | Article in Journal | | 2018 |
| A wartime landing at Clonakilty | McCarthy, Dermot | Article in Journal | | 1999 |
| A West Cork officer in the service of France: Thomas Brown of Castlehaven (1786-1847) | Dunne-Lynch, Nicholas | Article in Journal | | 2017 |
| A Westmeath family at the Western Front : the Purdons of Lisnabin | Whiteside, Lesley | Article in Journal | | 2017 |
| A window on history | Casey, ChristineWard, Chris | Article in Journal | | 1997 |
| A woman in defence : a soldier story of the enemy within the Irish army | Molloy, Karina ; Rodgers, Kathryn | Monograph or Collective Volume | Hachette Books Ireland | 2023 |
| A young man's war | Cusack, Gerardine | Article in Journal | | 2008 |
| Accessing empire : Irish surgeons and the Royal Navy, 1840-1880 | Kehoe, S. Karly | Article in Journal | | 2013 |
| Ack Ack - sixty years dedicated to service | Anonymous | Article in Journal | | 1991 |
| Across the (Barrow) river and into the desert | Lynch, Martin | Article in Journal | | 1997 |
| Admiral Boyle Somerville : archaeologist and pioneering archaeoastronomer | Lacey, Brian | Article in Journal | | 2011 |
| Admiral Brown at Martín García and Montevideo, 1814 | Ireland, John de Courcy, 1911-2006 | Article in Journal | | 1957 |
| Admiral Brown of Argentina (part 1) | Walsh, Tom | Article in Journal | | 1990 |
| Admiral Brown of Argentina. Part 2 | Walsh, Tom | Article in Journal | | 1991 |
| Admiral Daniel O'Huony | Gleeson, Dermot F. | Article in Journal | | 1948 |
| Admiral Robert O'Brien (1776-1838) | O'Brien, Ivor | Article in Journal | | 1992 |
| Admiral William Brown : father of the Argentine navy | Wheelock, Phyllis de Kay | Article in Journal | | 1955 |
| Admiral William Brown : liberator of the South Atlantic | Aguinis, MarcosTyson, Bill P. | Monograph or Collective Volume | Admiral Brown Society | 2006 |
| Admiral William Brown of Foxford and Argentina | Gildea, D. | Article in Book | | 1944 |
| Admiralty passing certificates, 1808-1811 | Public Record Office | Article in Journal | | 1969 |
| Aerial combat over neutral Ireland August 1942 | Cummins, Patrick J. | Article in Journal | | 1990 |
| Aerial mail, 1919-22: records of the Post Office and Air Ministry touching the carriage of mail by aeroplane during the conflict in Ireland | Muir, Douglas N. | Article in Journal | | 2010 |
| After Dunkirk : Ireland | Finch, J. H. | Article in Journal | | 1998 |
| After Niemba : The cavalry connection | Kerton, George | Article in Journal | | 2012 |
| After the battle | Flynn, Jude | Article in Book | | 1998 |
| AFVs in Irish service since 1922 : from the national army to the Irish Defence Forces | Riccio, Ralph A. | Monograph or Collective Volume | Mushroom Model Publications | 2011 |
| Air aspects of the Emergency | Quigley, Aidan | Article in Journal | | 1993 |
| Air Corps remembers its first successful ejection | Traynor, Michael | Article in Journal | | 2011 |
| Aircraft crashes and forced landings in the mid west region during WW2 | Gleeson, Martin | Article in Journal | | 2006 |
| Airships over Ulster | Warner, Guy | Article in Journal | | 2014 |
| Airships over Ulster: Royal Naval Air Service airships during the First World War | Warner, Guy | Monograph or Collective Volume | Colourpoint Books | 2012 |
| Alan Livingston Ramsay, 1890-1916, From Ballsbridge to the South Dublin Union | Kinsella, A. | Article in Journal | | 1995 |
| Alejandro O'Reilly en las Indias | Torres Ramirez, Bibiano | Monograph or Collective Volume | Escuela de Estudios Hispano-Americanos | 1969 |
| Alexander : portrait of Field Marshal Viscount Alexander, governor-general of Canada, on his farewell to arms | Robinson, James | Monograph or Collective Volume | Chronicle Press | 1946 |
| All At Sea: Tuam men in Her Majesty's Navy and Marines 1850-1900 | Dolan, Steve | Article in Journal | | 2014 |
| All for the want of a horseshoe nail: Gunner Patrick Hamill, 1887-1915 | Logue, Rose Mary | Article in Journal | | 2016 |
| Allegiances compromised : faith, honour and allegiance : ex British soldiers in the Irish army, 1913-1924 | Whelan, Michael | Monograph or Collective Volume | South Dublin Libraries | 2010 |
| Almirante William Brown, father of the Argentine navy | Ireland, John de Courcy, 1911-2006 | Article in Journal | | 2001 |
| Almost a rebellion : the Irish army mutiny of 1924 | Valiulis, Maryann Gialanella, 1947- | Monograph or Collective Volume | Tower Books | 1985 |
| Ambivalence towards the Saxon shilling : the attitudes of the Catholic church in Ireland towards enlistment during the first world war | Callan, Patrick | Article in Journal | | 1986 |
| Ambrose Sutton, Chevalier de Clonard | Rutherford, G. | Article in Journal | | 1949 |
| Americans at Base Camp S-180, Crossgar | Colmer, Albert W. K. | Article in Journal | | 2000 |
| An account of military expenditure in Leinster, 1308 | Connolly, Philomena | Article in Journal | | 1982 |
| An account of the life of Captain Samuel Jervois (c.1620-1694) | Jervois, William | Article in Journal | | 2009 |
| An account of the Territorials in Northern Ireland, 1947-78 | Gailey, I. B.Gillespie, W. F.Hassett, Joseph M. | Monograph or Collective Volume | Territorial, Anciliary and Volunteer Reserve Association for Northern Ireland | 1979 |
| An ale glass of the Loyal Newry Volunteers, 1784 | MacLeod, Catriona | Article in Journal | | 1983 |
| An American Sea Plane Base in Inishowen | Carroll, Margaret Lasch | Article in Journal | | 2017 |
| An analysis of the Fitzjames cavalry regiment, 1737 | Ó hAnnracháin, Eoghan | Article in Journal | | 1995 |
| An application for a commission, 1774 | McCarthy, W. P. | Article in Journal | | 1965 |
| An apprenticeship in arms : the origins of the British Army 1585-1702 | Manning, Roger Burrow | Monograph or Collective Volume | Oxford University Press | 2006 |
| An Arklow seaman's war time adventure | Scannell, James | Article in Journal | | 1996 |
| An army chaplain remembers | Neville, Ronald | Article in Book | | 2005 |
| An army in exile : Louis XIV and the Irish forces of James II in France, 1691-1698 | Rowlands, Guy | Monograph or Collective Volume | Royal Stuart Society | 2001 |
| An army of tribes : British Army cohesion, deviancy and murder in Northern Ireland | Burke, Edward | Monograph or Collective Volume | Liverpool University Press | 2018 |
| An army sent from God : Scots at war in Ireland, 1642-1649 | Gillespie, Raymond | Article in Book | | 1991 |
| An Ascendancy army : the Irish Yeomanry 1796-1834 | Blackstock, Allan | Monograph or Collective Volume | Four Courts | 1998 |
| An eighteenth-century inventory of Belturbet military barracks | Scott, Brendan | Article in Journal | | 2016 |
| An equestrian feat in Ballymullen Barracks, Tralee | McMorran, Russell | Article in Journal | | 2000 |
| An FCÁ. A backward glance | Dukes, Jim | Article in Journal | | 1996 |
| An Fórsa Cosanta Áitiúil Nenagh, 1946-1996 : 50th anniversary | Nenagh, F. C. A. | Monograph or Collective Volume | Nenagh Guardian in association with Nenagh F.C.A. | 1996 |
| An historic review from the teaching perspective | O'Sullivan, Raymond | Article in Book | | 1996 |
| An icon of sacrifice: 'The Last General Absolution of the Munsters' - the picture and its people | Hayes, John | Article in Journal | | 2015 |
| An incident at Cove 1776 | Coyle, Eugene A. | Article in Journal | | 1995 |
| An IRA action at Fihoragh, 1921 | MacNerney, James | Article in Journal | | 2006 |
| An Irish army in Scotland, 1296 | Lydon, James F. | Article in Journal | | 1961 |
| An Irish battalion at war : from the letters of Captain J. H. M. Stanifort, 7th Leinsters, 1914-18 | Denman, Terence | Article in Journal | | 1989 |
| An Irish countryman in the British navy, 1809-15 : the memoirs of Henry Walsh, 1 : Introduction, 2 : Text : sections i-ii, June 1809-December 1812 | | Article in Journal | | 1961 |
| An Irish expedition to Scotland in 1335 | Nicholson, R. G. | Article in Journal | | 1963 |
| An Irish general - William Richard English Murphy, 1890-1975 | Murphy, Karl | Article in Journal | | 2005 |
| An Irish military tradition? | Bartlett, ThomasJeffery, Keith | Article in Book | | 1996 |
| An Irish officer and Mecklenburg-Strelitz, c. 1785 | Bullock, H. | Article in Journal | | 1954 |
| An Irish Officer of the Rifle Brigade, 1818 | Wood, Stephen | Article in Journal | | 2018 |
| An Irish regiment in Brazil, 1820-1828 | Von Allendorfer, Frederic | Article in Journal | | 1957 |
| An Irish soldier remembered | Byrne, Liam | Article in Journal | | 1991 |
| An Irish soldier's diaries | Moriarty, Michael | Monograph or Collective Volume | Mercier Press | 2010 |
| An Irishman at the Battle of Jutland | Brunicardi, Daire | Article in Journal | | 1993 |
| An Irishman in Habsburg service: General Count John O'Dwyer, Commander of Belgrade, 1718-1722 | Abramovic, Vladimir | Article in Journal | | 2014 |
| An Irishman in the Iron Brigade : the Civil War memories of James P. Sullivan, Sergt., Company K, 6th Wisconsin Volunteers | Beaudot, William J. K.Herdegen, Lance J. | Monograph or Collective Volume | Fordham University Press | 1993 |
| An Ironside of Ireland : the remarkable career of Lieut.-General Michael Jones, governor of Dublin and commander of the parliamentary forces in Leinster, 1647-1649 | Kerr, A. W. M. | Monograph or Collective Volume | | 1923 |
| An irregular loyalty: discontent in the Free State army, 1922-24 | Stover, Justin | Article in Journal | | 2005 |
| An officer in the Tarbert Fencibles | Ó Gríofa, Ciarán | Article in Book | | 2000 |
| An officer of the 2nd (Irish) Horse, circa 1748 | Cormack, Andrew | Article in Journal | | 1995 |
| An officer of the 8th, the King's Royal Irish Hussars | Thompson, F. Glenn | Article in Journal | | 1985 |
| An officer's wife in Ireland | Coogan, Tim PatWoodcock, Caroline | Monograph or Collective Volume | Parkgate Publications | 1994 |
| An officer's [General Jean Sarrazin] account of the French campaign in Ireland in 1798 | Hayes, Richard Francis | Article in Journal | | 1955 |
| An ordnance man true and true. The story of Patrick Hannon's army career from his military records | Delaney, Robert | Article in Journal | | 2010 |
| An Slua Mhire celebrates fifty years of service | Delaney, G. | Article in Journal | | 1990 |
| An Ulster connection with medicine in the Gold Coast and the Spanish Civil War. The careers of David and Charles Duff | Hart, Anthony | Article in Journal | | 2017 |
| An unusual souvenir of the Boer War. | Callaghan, Stephen | Article in Journal | | 2019 |
| And I was always with him : the life of Jane Thorpy, army laundress | Holmes, Alice D | Article in Journal | | 1997 |
| And the British navy provided eats | Jeffares, Edward | Article in Journal | | 1993 |
| Andrew Bryson's ordeal : an epilogue to the 1798 rebellion | | Monograph or Collective Volume | Cork University Press | 1998 |
| Andrew John Horne, M.A., M.D. Trinity College Dublin. Royal Army Medical Corps | Burke, Tom | Article in Journal | | 2002 |
| Angels and heroes | Moreno, A. | Article in Journal | | 2004 |
| Angels and heroes : the story of a machine gunner with the Royal Irish Fusiliers August 1914 to April 1915 | Moreno, AmandaTruesdale, DavidWilson, Hugh Alexander, 1885-1947 | Monograph or Collective Volume | The Royal Irish Fusiliers Museum | 2004 |
| Another triumph of failure? How and why Canadians celebrate the 150th anniversary of the raid on Ridgeway | Panneton, Daniel B. | Article in Journal | | 2016 |
| Anthony Butler : soldier-bishop | Blackall, Henry, Sir | Article in Journal | | 1969 |
| Anthony C. Bartley DFC | Hyland, Cal | Article in Journal | | 2013 |
| Antrim militia muskets in 1756 | Montgomery, Ian | Article in Journal | | 2012 |
| Anzacs and Ireland | Kildea, Jeff | Monograph or Collective Volume | Cork University Press | 2007 |
| Appreciation. M.J. O'Malley Blackwell (1913-1993) | C, W. J. P. | Article in Journal | | 1993 |
| Arkin, an outpost in Aran | Goulden, J. R. W. | Article in Journal | | 1949 |
| Armada losses on the Irish coast | Ó Danachair, Caoimhín, 1913-2002 | Article in Journal | | 1954 |
| Armed forces of the Irish chiefs in the early 16th century | | Article in Journal | | 1932 |
| Armed forces of the Irish chiefs in the early sixteenth century (list from B.M. Cott. MS, Dom. A, xviii) | | Article in Journal | | 1932 |
| Armistice days | Walsh, Barbara | Article in Journal | | 2018 |
| Army aviation in Ulster | Boyd, AlexWarner, Guy | Monograph or Collective Volume | Colourpoint Books | 2004 |
| Army list of the Ulster British forces, 1642-1646 | Forkan, Kevin | Article in Journal | | 2005 |
| Army organisation and society in the nineteenth century | Spiers, Edward M. | Article in Book | | 1996 |
| Army pay services in Ireland, 1895-1922 | Black, John | Article in Journal | | 2015 |
| Army school of music : the first twenty years | Brennock, John P. | Article in Journal | | 1973 |
| Army's Congo mission casts a long shadow | O'Donoghue, David | Article in Journal | | 2006 |
| Army, politics and society in independent Ireland, 1923-1945 | O'Halpin, Eunan | Article in Book | | 1993 |
| Árpad Pásztor's 'Casement in Berlin' and Karl Kraus's 'Auf der Suche nach dem Menschen im Heros' ['Looking for the person in the hero']; introduced and translated by Kenneth Ferguson | Kraus, Karl, 1874-1936Pásztor, Árpad, 1877-1940 | Article in Journal | | 2017 |
| Art imitating war? 'Observe the Sons of Ulster Marching Towards the Somme' and its place in history | Hill, Jacqueline R. | Article in Journal | | 2009 |
| Artillery in Ireland, 1760-1815 | Clements, W.H. | Article in Journal | | 2020 |
| Aspects of shipbuilding in Belfast, past and present | Parker, T. J. | Article in Book | | 1989 |
| Asquith, Churchill and the movement of the Third Battle Squadron during the 'Curragh Incident' March 1914 | Chambers, Ian, 1939- | Article in Journal | | 2005 |
| Assessing Australian Army records | Fennessy, Ignatius | Article in Journal | | 2007 |
| Assistant surgeon William Bradshaw, V. C. | Thompson, F. Glenn | Article in Journal | | 1980 |
| Assisting democracy | Hearns, Mark | Article in Journal | | 1996 |
| At the beginning.......... | Mulcahy, P. A. | Article in Journal | | 1973 |
| At-Tiri, or Bosnia avoided : the Irish in UNIFIL, 1978-95 | Fisk, Robert | Article in Journal | | 1996 |
| Athlone : a garrison town | O'Farrell, Padraic | Article in Book | | 1991 |
| Athlone besieged : eyewitness and other contemporary accounts of the sieges of Athlone, 1690 and 1691 | | Monograph or Collective Volume | Temple Printing Co., Old Athlone Society | 1991 |
| Atrocities at sea and the treatment of prisoners of war by the parliamentary navy in Ireland, 1641-1649 | Murphy, Elaine | Article in Journal | | 2010 |
| Atrocity, Codes of Conduct and the Irish in the British Civil Wars 1641-1653 | Ó Siochrú, Micheál | Article in Journal | | 2007 |
| Attitudes towards the United Nations peace-keeping role in Congo, 1960-1964 | Buckley, Timothy Kevin | Thesis | | 1987 |
| Au sujet du drapeau de Régiment de Dillon | Grouvel, Vicomte | Article in Journal | | 1951 |
| Augmenting the Irish militia, 1794-1808 | O'Connell, W. D. | Article in Journal | | 1942 |
| Australian Irish connections. Irish soldiers in Australia | Harrison, Jennifer | Article in Journal | | 2017 |
| Aviation in Ireland, 1784-1922 | Kelly-Rogers, J. C. | Article in Journal | | 1971 |
| Aviation in Ulster | Corlett, John | Monograph or Collective Volume | Blackstaff Press | 1981 |
| Avondale Hall: the military orthopaedic hospital (1917-1932) | O'Regan, Paula | Article in Journal | | 2020 |
| Back to the Balkans | Travers, Desmond | Article in Journal | | 1996 |
| Bailieborough to Esquimalt - Dr James Farrelly R.N., 1837-1866 | McKeague, Leslie | Article in Journal | | 2016 |
| Balldearg O'Donnell and his Gaelic auxiliary army, 1690-2 | Murtagh, Harman | Article in Journal | | 2023 |
| Ballycastle's own Warhorse: Alfred McBride Woodside | McGill, Daniel J. | Article in Journal | | 2012 |
| Ballymullen Barracks, Tralee & the soldiers who served Part 1 | Martin, Tommy | Article in Journal | | 2023 |
| Ballymurphy and the Irish war | De Baróid, Ciarán | Monograph or Collective Volume | Pluto | 1990 |
| Ballyness family in World War One | Stewart, Morrison | Article in Journal | | 2014 |
| Ballyshannon, Belcoo, Bertincourt : the history of the 11th Bn. The Royal Inniskilling Fusiliers (Donegal and Fermanagh Volunteers) in the First World War | Canning, W. J. | Monograph or Collective Volume | W. Canning | 1996 |
| Ballyvonare Camp | O'Sullivan, Michael | Article in Journal | | 2016 |
| Bandon Company L.D.F., a week-end diary : 1942 | Anonymous | Article in Journal | | 2002 |
| Bandon men who were accorded the status of Invalide | Ó hAnnracháin, Eoghan | Article in Journal | | 2018 |
| Bandonmen in British forces in the eighteenth century | Dolan, Steve | Article in Journal | | 2020 |
| Barnabe Googe, provost-marshal of Connaught, 1582-5 | O'Sullivan, M. D. (Mary Donovan) | Article in Journal | | 1938 |
| Baron Gottfried von Banfield (last surviving Irish-descended officer of the Hapsburg navy) | Ireland, John de Courcy, 1911-2006 | Article in Journal | | 1974 |
| Barracks closures | Nagle, David | Article in Journal | | 2009 |
| Bartholomew Teeling | McDermott, Padraig | Article in Journal | | 2016 |
| Battle of the Boyne | Tuite, Breeda | Article in Journal | | 1990 |
| Battle of the Boyne 1690 | French, Noel E. | Monograph or Collective Volume | Trymme Press | 1989 |
| Battlefields, a neglected aspect of Irish archaeology | De Buitléir, Muiris | Article in Journal | | 1998 |
| Battles beyond the Boyne | | Monograph or Collective Volume | Schomberg Press | 2001 |
| Beating the retreat on a contested past? The British army and the politics of commemoration in Northern Ireland | Edwards, Aaron | Article in Book | | 2017 |
| Beehive bomb shelter | Joye, Lar | Article in Journal | | 2012 |
| Belmont barracks | Murphy, Kevin | Article in Journal | | 1990 |
| Benjamin Thompson, Count Rumford | Brown, S. B. | Monograph or Collective Volume | NA | 1979 |
| Bere Island and Berehaven 1803-05 | Kerrigan, Paul M. | Article in Journal | | 1998 |
| Beyond the Liffey and the Somme: Irish soldiers at the Tigris river, 1916 | Phelan, Mark | Article in Journal | | 2016 |
| Big boy's rules : the secret struggle against the IRA | Urban, Mark | Monograph or Collective Volume | Faber | 1992 |
| Biographies of boards of assessors, referees and members of advisory committees | Brennan, Patrick | Article in Book | | 2012 |
| Bishop Stock's 'narrative' from the year of the French | Stock, Joseph | Monograph or Collective Volume | Irish Humanities Centre | 1982 |
| Black operations : the secret war against the real IRA | Mooney, JohnO'Toole, Michael | Monograph or Collective Volume | Maverick House | 2003 |
| Blacker's boys : 9th (Service) Battalion, Princess Victoria's (Royal Irish Fusiliers) (County Armagh) : and 9th (North Irish Horse) Battalion, Princess Victoria's (Royal Irish Fusiliers) : 1914-1919 | Metcalfe, Nick | Monograph or Collective Volume | Writersworld | 2012 |
| Bloody Sunday - a reappraisal | Bowden, Tom | Article in Journal | | 1972 |
| Bloody Sunday 1920 : new evidence | Carey, Tim | Article in Journal | | 2003 |
| Bloody Sunday : Lord Widgery's Report, 1972 | Widgery, John Passmore, Baron Widgery, 1911- | Monograph or Collective Volume | The Stationery Office | 2001 |
| Bloody Sunday and the end of Unionist government | Wichert, Sabine | Article in Book | | 1994 |
| Bloody Sunday and the rule of law in Northern Ireland | Walsh, Dermot P. J. | Monograph or Collective Volume | Gill & Macmillan | 2000 |
| Bloody Sunday in Derry : what really happened | Hannigan, BridieMcCann, EamonShiels, Maureen | Monograph or Collective Volume | Brandon | 1992 |
| Bloody Sunday in Derry : what really happened | Hannigan, BridieMcCann, Eamon,Shields, Maureen, | Monograph or Collective Volume | Brandon | 2000 |
| Bloody Sunday remembered at Croke Park | Fallon, Donal | Article in Journal | | 2011 |
| Bloody Sunday: cock-up or conspiracy? | Ó Dochartaigh, Niall | Article in Journal | | 2010 |
| Brave Irish sailors who never made it home | Roche, Frank | Article in Journal | | 2010 |
| Bravery awards for father and son from Dun Laoghaire | Knight, Leslie | Article in Journal | | 2002 |
| Breaking ranks : the emergence of representative associations in the Irish armed forces | Martin, Michael | Thesis | | 2010 |
| Brevet generals of Irish birth in the US civil war | Marmion, William F. K. | Article in Journal | | 1997 |
| Brigadier Desmond Henry Sykes Somerville, C.B.E., M.C. a biographical note by Brigadier Sir Nicholas Somerville. | Somerville, Nicholas | Article in Journal | | 2015 |
| Brigadier Frederick Maurice Watson Harvey VC, MC, Croix de Guerre (1888-1980) | Walsh, Bernard | Article in Journal | | 2019 |
| Brigadier General Patrick Henry Jones | Dunkelman, Mark H. | Article in Journal | | 1987 |
| Brigadier-General Joe Ring : "a brave soldier whose courage was never in doubt" | Ó Flanagáin, Peadar | Article in Journal | | 1987 |
| Brigadier-General John Hope in County Cork in 1798 | O'Neill, Philip | Article in Journal | | 2021 |
| Brigadier-General Sir Charles MacCarthy, Kt. 1764-1824 | Daly, D. D. | Article in Journal | | 1939 |
| Briseadh na Bóinne | Ó Buachalla, Breandán | Article in Journal | | 1989 |
| Britain's military strategy in Ireland : the Kitson experiment | Faligot, Roger | Monograph or Collective Volume | Brandon | 1983 |
| British Army armoured cars in the War of Independence | Joye, Lar | Article in Journal | | 2021 |
| British army First World War campaign medals | Joye, Lar | Article in Journal | | 2021 |
| British brutality in Ireland | O'Brien, JackO'Dwyer, Paul | Monograph or Collective Volume | Mercier Press | 1989 |
| British military deserters in the Irish Free State, 1922-1932 | Kelly, Bernard | Article in Journal | | 2012 |
| British military graveyard : Ballincollig, Co. Cork, Ireland, 1810-1922 | Donaldson, Anne | Monograph or Collective Volume | Ballincollig Enterprise Board | 2003 |
| British military, part I : Irish in the British army in South Africa 1795-1910 | Cook, A. J. | Article in Book | | 1992 |
| British seamen in the United Provinces during the seventeenth century Anglo-Dutch Wars : the Dutch navy - a preliminary survey | Little, Andrew | Article in Book | | 2005 |
| British security policy in Ireland, 1919-1921 | Jeffery, Keith | Article in Book | | 1994 |
| British soldier 'disappeared' by IRA found | Ó Ruairc, Pádraig Óg | Article in Journal | | 2018 |
| British soldiers from East Clare discharged to pension 1760-1854 | Coffey, Michael J. | Article in Journal | | 2005 |
| British voices from the Irish war of independence, 1918-1921 : the words of British servicemen who were there | Sheehan, William, 1968- | Monograph or Collective Volume | Collins Press | 2005 |
| Brits : the war against the IRA | Taylor, Peter, 1942- | Monograph or Collective Volume | Bloomsbury | 2001 |
| Broken soldiers: the chaos of enlistment in the British army in the early months of the Great War | Robinson, Michael | Article in Journal | | 2016 |
| Brother against brother | Deasy, Liam | Monograph or Collective Volume | Mercier Press | 1982 |
| Brother Aidan Whelan and the Barry Statue Saga | Seery, Gerard | Article in Journal | | 2007 |
| Brothers in arms | Goodman, John | Article in Journal | | 2014 |
| Brown, the sea hero | Videla, Eleazar | Article in Journal | | 1957 |
| Bruce's invasion of Ireland and first campaign in County Louth | Mac Íomhair, Diarmuid | Article in Journal | | 1971 |
| Buckley's volunteers | Redmond, Willie | Article in Journal | | 2010 |
| Bullets, bombs and cups of tea : further voices of the British Army in Northern Ireland, 1969-1998 | Wharton, Ken M. | Monograph or Collective Volume | Helion & Co. | 2009 |
| Bullswool batallions : recollections of service in An Forsa Cosanta Aituil in the post-war years, 1946-62 | Hegarty, James | Monograph or Collective Volume | Calbandro Publications | 1985 |
| Buskley's volunteers | Redmond, Willie | Article in Journal | | 2010 |
| Butlers in the navy of Spain | Ireland, John de Courcy, 1911-2006 | Article in Journal | | 1987 |
| Buttevant Military Barracks | Trimm, Francis | Article in Journal | | 2016 |
| C.S.M. Joseph Aloysius Phillips (1881-1918) | Faulkner, Ivor J. | Article in Journal | | 2009 |
| Cabinet Office : class list, 2. (CAB 43-47, 50-55; 57, 58; 60-100) | Public Record Office | Monograph or Collective Volume | | 1977 |
| Calendar of State Papers Domestic. Charles II | Anonymous | Monograph or Collective Volume | | 1860 |
| Called to arms : Australian soldiers in the Easter Rising 1916 | Kildea, Jeff | Article in Journal | | 2003 |
| Campaigning with King : Charles King, chronicler of the old army | Russell, Donald | Monograph or Collective Volume | University of Nebraska Press | 1990 |
| Canada's Irish regiments | Atkinson, Edward | Article in Journal | | 1998 |
| Canada's Irish regiments | Atkinson, Edward | Article in Journal | | 1998 |
| Captain (brevet Lt.-Col.) Myles Walter Keogh | Joye, Lar | Article in Journal | | 2011 |
| Captain Crofton, Harbour Master at Kingstown | Lowth, Cormac F. | Article in Journal | | 2015 |
| Captain Daniel Desmond Sheehan; an introductory essay | O'Donovan, John | Article in Journal | | 2015 |
| Captain E. Gerrard, Rathfarnham, A.D.C. 5th Division British Forces in Ireland 19160-1921. | Gerrard, E., Captain | Article in Book | | 2016 |
| Captain Edward Meysey Thomas | Taylor, James W. | Article in Journal | | 2024 |
| Captain Flora Sandes: the Serbian Joan of Arc | MacMahon, Bryan, 1949- | Article in Journal | | 2009 |
| Captain Gafney goes to war | McAdams, J. L. | Article in Journal | | 1967 |
| Captain Henry Compton, R.N. | Blackall, Henry, Sir | Article in Journal | | 1965 |
| Captain Hon. William Leslie (1751-77) : his life, letters and commemoration | Gilchrist, Marianne M.Leslie, William, 1751-1777 | Article in Book | | 2005 |
| Captain John Perry, 1670-1732 | Hamilton, S. B. | Article in Journal | | 1956 |
| Captain Morgan O'Connell of the Hussar Guards of the Irish Legion | Lambert, ErieThompson, F. Glenn | Article in Journal | | 1979 |
| Captain Myles Keogh, the 7th Cavalry and the battle of Little Big Horn, 140 years ago | Mulligan, Fergus | Article in Journal | | 2017 |
| Captain Myles Walter Keogh | Nevin, Martin | Article in Journal | | 2000 |
| Captain Myles Walter Keogh | Anonymous | Article in Journal | | 1952 |
| Captain William McCleverty, 1716-1779 | Fay, Erica | Article in Journal | | 2012 |
| Captain William Wall and the Panama Canal | Cleary, JImmy | Article in Journal | | 2011 |
| Capture of Mallow Barracks and reprisals | Magner, Mehaul | Article in Journal | | 2011 |
| Carlovians in the defence forces, 1922-1984 | | Article in Journal | | 2004 |
| Carlovians in the Defence Forces; researched by the late Des Nolan of Carlow | Nolan, Des | Article in Journal | | 2004 |
| Carlovians in the Defense Forces 1922-1984 | Nolan, Des | Article in Journal | | 2005 |
| Carlovians in the Great War | Maguire, Paul | Article in Journal | | 1997 |
| Carlovians who served as chaplains in the defence forces 1922-1997 | Anonymous | Article in Journal | | 1997 |
| Carlow man who would not give in to the Reds, so he died | Anonymous | Article in Journal | | 1997 |
| Carlow men in Cork ambush | Kavanagh, P. J. | Article in Journal | | 1978 |
| Carlow redcoat - Carolina rebel | Farry, Michael | Article in Journal | | 1996 |
| Carrickfergus militia company of foot | McConnell, Charles | Article in Journal | | 1995 |
| Casement's Irish Brigade | McCarthy, Patrick | Article in Journal | | 2017 |
| Castle Archdale and Fermanagh in World War II | McCusker, Breege | Monograph or Collective Volume | Necarne Press | 1993 |
| Castlerock - Echoes of the Boer war | Warke, Geoff | Article in Journal | | 2018 |
| Castletownshend links to the Anglo-Zulu War | Cahalane, Maura | Article in Journal | | 2017 |
| Casualties in Irish regiments, 1899-1900 | Kinsella, Anthony | Article in Journal | | 1998 |
| Casualties in the ranks of the Clare regiment at Fontenoy | Ó hAnnracháin, Eoghan | Article in Journal | | 1994 |
| Casualties of the Great War from the Glens of Antrim | Bradley, Iain
| Article in Journal | | 2016 |
| Casualties sustained by government forces during the Humbert episode, August - September, 1798 : a re-appraisal | Hogan, Patrick | Article in Journal | | 1998 |
| Catalogue of the library, 1 : Voyages and travel; 2 : Biography, 2 pts.; 3 : Atlases and cartography, 2 pts.; 4 : Piracy and privateering; 5 : Naval history, pt. 1 : the middle ages to 1815. 5+ vols. in 7+ | National Maritime Museum | Monograph or Collective Volume | | 1968 |
| Cath Chluana Tarbh | Ní Úrdail, Meidhbhín | Article in Book | | 1993 |
| Cath Chuain Bhaoi, 1689 | Ó Gallchobhair, Pádraig | Article in Journal | | 1997 |
| Catholic 'Hessians'. 'At Tubberneering and Ballyellis, Full many a Hessian lay in his gore' | Dunne-Lynch, Nicholas | Article in Journal | | 2019 |
| Catholicism and the Irish confederate armies : for God or king? | Lenihan, Pádraig, 1959- | Article in Journal | | 1994 |
| Catholics and the upper middle class : a comment on roof | Greeley, Andrew M. | Article in Journal | | 1981 |
| Catholics, War and Britain's Armed Forces | Snape, Michael | Article in Book | Oxford University Press | 2023 |
| Cavalry memorial's 50th Anniversary | Fitzgerald, Wayne | Article in Journal | | 2013 |
| Census of Ireland 1911: abstract regarding Millmount Barracks, Barrack Street West, Drogheda | | Article in Journal | | 2016 |
| Centenary of the founding of the Irish volunteers | Byrne, Armin Jason | Article in Journal | | 2013 |
| Chad | O'Neil, Paul | Article in Journal | | 2009 |
| Changing forces shaping a nineteenth-century Irish town : a case study of Navan | Connell, Peter | Monograph or Collective Volume | Geography Department, St. Patrick's College | 1978 |
| Changing of the guard. Curragh evacuation 70 years on | Brannigan, Niall R. | Article in Journal | | 1992 |
| Charles 'Nomad' McGuinness, being the true account of the amazing adventures of a Derryman, pirate, IRA man, gunrunner, polar explorer, adventurer, mercenary, rogue, escaper and hero | McGuffin, JohnMulheron, Joseph | Monograph or Collective Volume | Irish Resistance Books | 2002 |
| Charles II's Irish cavaliers : the 1649 officers and the Restoration land settlement | McKenny, Kevin | Article in Journal | | 1993 |
| Charles Kearney : a forgotten Irish hero | Carey, Noel | Article in Journal | | 2014 |
| Charles Kerrigan and the mutiny of the Connaught Rangers at Solon, 1920 | Barr, Stuart | Article in Journal | | 1990 |
| Charles Rowcroft, Irish Americans and the 'recruitment affair', 1855-1856 | Fenton, Laurence | Article in Journal | | 2010 |
| Childaid | Bourke, Wesley | Article in Journal | | 2009 |
| Christmas in the Congo | Nagle, David | Article in Journal | | 2009 |
| Chronology of events, 1641-9 | Anonymous | Article in Book | | 2001 |
| Churchill and the Irish marshals | Marrinan, Patrick | Monograph or Collective Volume | Pretani Press | 1986 |
| Churchill and the naval chaplains | Gwynn, D. R. (Denis Rolleston), 1893-1972 | Article in Journal | | 1965 |
| Civil Defence in Ireland 1939-45. | Poland, Pat | Article in Journal | | 2018 |
| Civil war in Ireland : commentary | Underdown, David | Article in Journal | | 1966 |
| Civilian control and the Free State army, 1922-5 | Erwin, Patrick John | Thesis | | 1984 |
| Claude Auchinleck, 1884-1981 : military leader | Fraser, Thomas G. | Article in Book | | 1992 |
| Clear the way : a history of the 38th (Irish) Brigade, 1941-1947 | Doherty, Richard | Monograph or Collective Volume | Irish Academic Press | 1993 |
| Clear the way! a history of the 38th (Irish) brigade, 1941-1947 | Doherty, Richard | Monograph or Collective Volume | [s.n.] | 1993 |
| Clifden man became 'Father' of our navy | Morris, Anthony | Article in Journal | | 1993 |
| Clifden rules the waves: the story of Clifden men in the Royal Navy (1872-1922) | Dolan, Steve | Article in Journal | | 2015 |
| Clocha ceadngailte : léargas ar UNFIL so Liobáin | Mac Un Fraidh, Gearóid | Monograph or Collective Volume | An Clóchomhar | 1994 |
| Clonmel's military barracks | Bergin, W. J. | Article in Journal | | 1983 |
| Clonmel, Tipperary and the 2nd Battalion of the Royal Irish Regiment August 1914 | Walsh, Ruairi R. | Article in Journal | | 2014 |
| Clough man who served as medical officer of Nigeria | Hume, Harry | Article in Journal | | 2004 |
| Cluntoe aerodrome | Loughran, Louise | Article in Journal | | 1994 |
| Cogaíocht sa Mhumhan, 1647 | Ó Laighin, Pádraig G. | Article in Book | | 2016 |
| Col. Sir Horace Seymour, K.C.H., M.P., 1791-1851 | Annand, A. M. | Article in Journal | | 1969 |
| Coleraine Vietnam war veteran - personal account | Lake, Eric | Article in Journal | | 2017 |
| Collins Barracks, Dublin, parts 3 and 4 | O'Donnell, P. D. | Article in Journal | | 1973 |
| Colonel 'Bob' Holmes, OBE - an Aghadowey hero | Caldwell, Trevor | Article in Journal | | 2017 |
| Colonel Burnaby | O'Brien, Eamon | Article in Journal | | 1992 |
| Colonel Edward Wogan | Murtagh, Diarmuid | Article in Journal | | 1954 |
| Colonel James Grove White | Power, Con | Article in Journal | | 1988 |
| Colonel Maurice Griffith Dennis, 1805-63 | Melvin, Patrick | Article in Journal | | 1977 |
| Colonel Ned Despard, the Irishman hanged in London for high treason in 1803 - Traitor or Martyr? | Fennelly, Teddy | Article in Journal | | 2022 |
| Colonel Philip Vigors | Ireland, Aideen M. | Article in Journal | | 1985 |
| Colonel Richard Grace | Lawless, J. V. | Article in Journal | | 1952 |
| Colonel Richard Grace, 1651-2 | Bryan, Dan | Article in Journal | | 1959 |
| Colonel Samuel Bagshawe and the army of George II, 1713-1762 | Bagshawe, SamuelGuy, Alan J. (Alan James) | Monograph or Collective Volume | Bodley Head for the Army Records Society | 1990 |
| Colonel standfast : the memoirs of W. A. Tilney, 1868-1947 | Murray-Philipson, NiniTilney, W. A. | Monograph or Collective Volume | Michael Russell | 2001 |
| Colonel Standfast : the memoirs of W.A. Tilney 1868-1947 | | Monograph or Collective Volume | Michael Russell | 2001 |
| Colonel Thomas Blood | Petherick, Maurice | Article in Journal | | 1948 |
| Columbans who served in Allied forces during the Great War 1914-1918 | Sowby, David | Article in Journal | | 2007 |
| Columbans who served in Allied forces during the years 1939-1945 | Sowby, David | Article in Journal | | 2007 |
| Comdt. Peter Young (obituary) | Scannell, James | Article in Journal | | 2000 |
| Commandant Deignan of Riverstown | Harte, Cian | Article in Journal | | 2017 |
| Commanders of the British Forces in Ireland, 1796–1922 | Gaynor, Tony | Monograph or Collective Volume | Four Courts Press | 2022 |
| Commemorating Edmund Mahony 1887-1918 | Mahony, Hubert | Article in Journal | | 2008 |
| Commodore John Barry | O'Connell, J. J. | Article in Journal | | 1941 |
| Commodore John Barry : father of the American navy | O'Brien, E. | Article in Journal | | 1968 |
| Communique from Cairo | Sheehan, Patrick T. | Article in Journal | | 2007 |
| Conflict and tragedy in Napoleon's Irish legion : the Corbet/Sweeny affair | Gallagher, John G. | Article in Journal | | 1986 |
| Conflicting loyalties : Irish regiments in the imperial service, 1689-1710 | O'Neill, James | Article in Journal | | 1987 |
| Conflicting loyalties : two Waterford soldier-fenians | McCarthy, Patrick | Article in Journal | | 1997 |
| Connacht and the Jacobite war, 1689-91 | Murtagh, Patrick Harman | Thesis | | 1971 |
| Connections - connections : a short history of 2 Cavalry squadrons | Flanagan, A. | Article in Journal | | 1989 |
| Constraints on Irish naval operations 1964-1984. Was the naval service the master of its own destiny or a victim of circumstances? | Treacy, John | Thesis | | 2015 |
| Consul, commander and minister : a new perspective on the Queenstown incident | Sanders, N. | Article in Journal | | 1979 |
| Contact | Clarke, A. F. N. | Monograph or Collective Volume | Pan in association with Secker and Warburg | 1983 |
| Contemporary accounts of the battle of Scariffhollis | Anonymous | Article in Book | | 2001 |
| Control of minorities in Israel and Northern Ireland | Smooha, Sammy | Article in Journal | | 1980 |
| Controlling insurrection: Garrisons, Police Barracks and Bridewells in South Tipperary, c.1750 - c.1840 | Butler, David J., 1976- | Article in Journal | | 2005 |
| Corcoran's Irish legion in Fairfax County : 1863-1864 | Ruffner, Kevin C. | Article in Journal | | 1997 |
| Cork and the American Civil War : the Queenstown affair of 1863 | Kline, BenjaminMartin, Gerald Warren | Article in Journal | | 1984 |
| Corkmen in the Hôtel Royal des Invalides | Ó hAnnracháin, Eoghan | Article in Journal | | 2000 |
| Cornelius Ignatius Kelly of Portumna and Rathcabbin remembered in Dendermonde, Belgium | O'Meara, Gerard | Article in Journal | | 2023 |
| Cornelius Ryan and the battle for the Kremlin archives | Phelan, Dominic | Article in Journal | | 2010 |
| Corporal John Fallon - the only Ranger in a family of soldiers | Deignan, Padraig | Article in Journal | | 2018 |
| Corporal John Lyons V.C., 1823-1867 | Allen, Dennis | Article in Journal | | 1997 |
| Count Maximilian Ulysses Brown, 1705--57 | MacGrath, Kevin | Article in Journal | | 1952 |
| Countering a French threat : the Irish experience in the development of light infantry between 1793 and 1803 | Nelson, Ivan | Article in Journal | | 2004 |
| County Kildare and the end of the Great War | Durney, James | Article in Journal | | 2019 |
| County Mayo men who died whilst serving with the Connaught Rangers 1914-18 | Barr, Stuart | Article in Journal | | 1987 |
| Cromwell | Howell, Roger | Monograph or Collective Volume | | 1977 |
| Cromwell | Cottret, Bernard | Monograph or Collective Volume | Fayard | 1992 |
| Cromwell : a paradox | Dalton, Noel | Article in Journal | | 1972 |
| Cromwell : an honourable enemy. The untold story of the Cromwellian invasion of Ireland | Reilly, Tom | Monograph or Collective Volume | Brandon | 1999 |
| Cromwell : portrait of a soldier | Gillingham, J. B. | Monograph or Collective Volume | | 1976 |
| Cromwell's army : a history of the English soldier during the civil wars, and the Commonwealth and Protectorate | Adair, JohnFirth, Charles Harding, Sir, 1857-1936 | Monograph or Collective Volume | Greenhill Books | 1992 |
| Cromwell's army : a history of the English soldier during the Civil Wars, the Commonwealth and the Protectorate. Introd. by P.H. Hardacre. | Firth, Charles Harding, Sir, 1857-1936 | Monograph or Collective Volume | | 1962 |
| Cromwell's generals | Ashley, Maurice Percy | Monograph or Collective Volume | Jonathan Cape | 1954 |
| Cromwell's navy : the fleet and the English Revolution, 1648-1660 | Capp, Bernard Stuart | Monograph or Collective Volume | | 1989 |
| Cromwellian England 1649-1660 | Worden, Blair | Article in Book | | 1986 |
| Crozier of Banbridge | Kerr, John | Article in Journal | | 1983 |
| Cruit Island: Soldier, Seaman, and Pilot | McGaffin, Shannon | Article in Journal | | 2024 |
| Daguerreotype of an officer of the 94th Regiment of Foot, c.1846 | Thompson, F. Glenn | Article in Journal | | 2013 |
| Dáil Éireann and the army : unity and division (1919-1921) | Nowlan, Kevin B. | Article in Book | | 1968 |
| Damned Englishman : a study of Erskine Childers (1870-1922) | Cox, T. | Monograph or Collective Volume | Exposition Press | 1975 |
| Dan Daly (1873-1937), legendary hero of the U.S. Marine Corps | Clark, George | Article in Journal | | 2007 |
| Daniel Cambridge, Royal Artillery, and the story of a Victoria Cross | Abbott, P. E. | Article in Journal | | 1964 |
| Danish troops in the Williamite army, 1689-91 | Galster, Kjeld Hald | Monograph or Collective Volume | Four Courts | 2012 |
| Dead as a Dodo on the island of Mauritius. The fate of a racehorse called 'Faugh-a-Ballagh' | Donnelly, Seán | Article in Journal | | 2015 |
| Dealing in death : the arms trade and the British civil wars, 1638-52 | Edwards, Peter | Monograph or Collective Volume | Sutton | 2000 |
| Death in a lime kiln | Madden, EamonMaguire, Dick | Article in Journal | | 2011 |
| Death in the Zulu wars. Lieutenant George Frederick John Hodson, 1/24th (2nd Warwickshire Regt) | O'Reilly, Stan J. | Article in Journal | | 2010 |
| Death of a soldier : a mother's search for peace | Restorick, Rita | Monograph or Collective Volume | Blackstaff Press | 2000 |
| Death on the rock | Bolton, Roger | Article in Book | | 1996 |
| Deaths in Irish regiments 1939-1945 and the extent of Irish volunteering for the British army | McEwen, Yvonne | Article in Journal | | 2004 |
| Decade of centenaries: the story of a World War I medal | Gacquin, William | Article in Journal | | 2019 |
| Deeds not words : Irish soldiers, sailors and airmen in two world wars | Robertson, David | Monograph or Collective Volume | [The author] | 1998 |
| Defence and the new Irish state, 1919-1939 | Young, Peter | Article in Book | | 2004 |
| Defence and the new Irish state, 1919-1939 | Young, Peter | Article in Journal | | 1993 |
| Defence and the role of Erskine Childers in the treaty negotiations of 1921 | Hawkings, F. M. A. | Article in Journal | | 1981 |
| Defence Forces barracks : Casement Aerodrome | Anonymous | Article in Journal | | 2010 |
| Defence forces barracks : Collins Barracks Cork | Anonymous | Article in Journal | | 2010 |
| Defence forces barracks : Custume Barracks | Anonymous | Article in Journal | | 2010 |
| Defence Forces barracks : Parkgate | Anonymous | Article in Journal | | 2010 |
| Defence Forces Chaplains and the United Nations Mission to the Congo, 1960-1964 | Hartigan, Maurice | Article in Journal | | 2021 |
| Denunciation of Antonio de Patricio [Anthony Fitzpatrick], O.P., to the Lisbon Inquisition (1699) | O’Connor, Thomas
| Article in Journal | | 2022 |
| Derry and the Boyne : a contemporary Catholic account of the siege of Derry, the battle of the Boyne, and the general condition of Ireland in the Jacobite war | Plunket, Nicholas | Monograph or Collective Volume | Belfast Historical and Educational Society | 1990 |
| Derry countdown to disaster | Curran, Frank | Monograph or Collective Volume | Gill & Macmillan | 1986 |
| Desmond Arthur 'The Montrose Ghost' | O'Brien, Patrick | Article in Journal | | 1994 |
| Destellos de gloria : biografía sintética de un prócer de la independencia, incorporando las Reminiscensias del general de división don Tomás Carlos Wright | Wright, A. E. | Monograph or Collective Volume | | 1949 |
| Dev's treatment of Irish Army deserters: vindictive orpragmatic | Kelly, Bernard | Article in Journal | | 2011 |
| Devenish d'Athlone: an extraordinary soldier of fortune | Moran, Alan | Article in Journal | | 2020 |
| Devoy Barracks, Naas | Begley, Michael | Article in Book | | 1996 |
| Diary | Maurice, John Frederick, SirMoore, John | Monograph or Collective Volume | [s.n.] | 1904 |
| Diary of a recruiting drive fro the British Armed Forces undertaken by Barbara Synnott in Co. Kildare (24 January to 2 February 1916) | Synnott, David | Article in Journal | | 2004 |
| Diary of a Voyage on H.M.S. Himalaya from Portsmouth to Hong Kong | Flanigan, AlexanderPue, BobWalker, Doreen | Article in Journal | | 2010 |
| Diary of the Parliamentary forces in County Clare, 1651 | Cromwellian officer | Article in Book | | 1998 |
| Diary of the siege of Limerick | Mullenaux, SamuelWalsh, Laurence | Article in Journal | | 1990 |
| Dickie Bird - buried but not forgotten | Joye, Lar | Article in Journal | | 2019 |
| Die Gefangenen der grünen Insel. Tatsachenbericht aus Irland | Berger, Alexander | Monograph or Collective Volume | [s.n.] | 1964 |
| Dilemma at Killala | Brock, F. W. van | Article in Journal | | 1968 |
| Dillion's Regiment | O'Neill, Jenny | Article in Journal | | 2009 |
| Disbandment, destruction and commemoration. The Leinster Regiment, their depot and how they were commemorated in Birr, Co. Offaly | Callaghan, Stephen | Article in Journal | | 2022 |
| Discussion on Irish military history - sixteenth century | Anonymous | Article in Journal | | 1946 |
| Disrupt and deny : spies, special forces, and the secret pursuit of British foreign policy | Cormac, Rory | Monograph or Collective Volume | Oxford University Press | 2018 |
| Distant drums : Irish soldiers in foreign armies | Dungan, Myles | Monograph or Collective Volume | Appletree Press | 1993 |
| Documents and sources : diary of a recruiting drive for the British armed forces undertaken by Barbara Synnott, Co. Kildare,1916 | Synnott, David | Article in Journal | | 2004 |
| Docwra's Derry : a narration of events in North-west Ulster, 1600-1604 | Docwra, Henry, 1st Baron Docwra of Culmore, bap. 1564, d. 1631 | Monograph or Collective Volume | Ulster Historical Foundation | 2003 |
| Dogfight over Wicklow | Goodman, John R. | Article in Journal | | 2021 |
| Doing 'the world's most important work' - from Cyprus to Liberia | Sreenan, Jim | Article in Journal | | 2006 |
| Dominic St John Mulvey : London Irishman | Mulvey, Christopher | Monograph or Collective Volume | Estcourt P. | 2005 |
| Don Enrique Reynaldo MacDonnell : admiral of the Spanish navy, 1753-1823 | Walsh, Micheline Kerney | Article in Journal | | 1983 |
| Donegal and the First World War | Doherty, Richard | Article in Journal | | 2014 |
| Donegal and the Victoria Cross | Doherty, Richard | Article in Journal | | 2020 |
| Downes family remembrance | Mullen, Denis | Article in Journal | | 2015 |
| Downpatrick World War II airmen honoured | Hanna, Cona | Article in Journal | | 1988 |
| Dr James Barry (1795-1865), dochtúir suntasch san airm | Blaney, Roger | Monograph or Collective Volume | Ard Mhaca | 2008 |
| Dr Thomas Reid (1791-1925) - his origins in Eglish, contemporary accounts and his portrait | Gilmore, Brian | Article in Journal | | 2012 |
| Dreadnought : the navy and the plot | Anonymous | Article in Journal | | 1914 |
| Drogheda men who went to war | Boylan, ColinMurray, Florrie | Article in Journal | | 1996 |
| Dromkeen ambush : an action of the Black-and-Tan period | McCarthy, J. M. | Article in Journal | | 1943 |
| Drumgor men of war | Mowbray, Douglas | Article in Journal | | 2015 |
| Dublin military barracks | O'Donnell, P. D. | Article in Journal | | 1972 |
| Dublin soccer players in the First World War, 1914-1918 | Curran, Conor | Article in Journal | | 2023 |
| Dublin, the Viceroy, and the soldiers of the Crimean War | Huddie, Paul | Article in Journal | | 2018 |
| Dún Uí Mhaoilíosa | O'Donnell, P. D. | Article in Journal | | 1974 |
| Dundalk : a military history; with photographs and illustrations | Gavin, JosephO'Sullivan, Harold | Monograph or Collective Volume | Dundalgan Press | 1987 |
| Dutch engravings of the Williamite war, 1689 | O'Neill, Thomas Patrick | Article in Journal | | 1961 |
| Eagles over Ireland | Browne, Paul | Monograph or Collective Volume | Paul Browne and the Flying Fortress 1943 Project | 2003 |
| Eamon de Valera and the forces of opposition in America, 1919-20 | Sullivan, Dennis M. | Article in Journal | | 1984 |
| Earliest Irish troops in the French service | Ó Briain, Liam | Article in Journal | | 1953 |
| Earliest Irish troops in the French service | Hayes, Richard Francis | Article in Journal | | 1952 |
| Early medieval settlements : the archaeology of rural communities in North-West Europe, 400-900 | Hamerow, Helena | Monograph or Collective Volume | Oxford University Press | 2002 |
| Easter Week 1916 and the Great Southern & Western Railway | Rigney, Peter | Article in Journal | | 2006 |
| Edenderry and the First World War | Reilly, Ciarán J. | Article in Journal | | 2008 |
| Edmund Brian Doherty plaque, Cruit Island | McGaffin, Shannon | Article in Journal | | 2022 |
| Edward (Ned) Quinn | Quinn, Muriel | Article in Journal | | 2014 |
| Edward Blayney | Burns, Michael | Article in Journal | | 2013 |
| Edward G.W. Butler and the war with Mexico, 1847-48 | Plater, David D. | Article in Journal | | 2016 |
| Eighteenth Royal Irish Regiment : deaths in Kent, 1745-46 | Fleming, C. F. | Article in Journal | | 1951 |
| Eleven remembered in stone | Linehan, Barry | Article in Journal | | 2014 |
| Elizabeth's Irish wars | Falls, Cyril Bentham | Monograph or Collective Volume | Methuen | 1950 |
| Elizabethan England : being the history of this country 'in relation to all foreign princes'. From original manuscripts, many hitherto unpublished; co-ordinated with 16th century printed matter ranging from royal proclamations to broadside ballads. A survey of life and literature ... | Tenison, E. M. | Monograph or Collective Volume | | 1933 |
| Emergency in a country house : Shanbally Castle during the Second World War | Hajba, Anna-Maria | Article in Journal | | 2019 |
| Emergency tour : 3 Paras in South Armagh | Morton, Peter | Monograph or Collective Volume | Kimber | 1989 |
| Emily Lawless's 'Maelcho' and the crisis of the imperial romance | Maume, Patrick | Article in Journal | | 2006 |
| Encounter with the enemy | Anderson, Robert | Article in Journal | | 2015 |
| End of an era | Bourke, Wesley | Article in Journal | | 2013 |
| England's difficulty, Ireland's opportunity? The British Army Garrison in Ireland, 1914-1916 | Kinsella, AnthonyMcCarthy, Patrick | Article in Journal | | 2017 |
| English and Irish naval officers in the war for Brazilian independence | Vale, Brian | Article in Journal | | 2006 |
| English Civil War | Elliot-Wright, Philipp | Monograph or Collective Volume | Brassey's | 1997 |
| English funding of the Scottish armies in England and Ireland, 1640-1648 | Stewart, Laura A. M. | Article in Journal | | 2009 |
| English naval operations at Kinsale | McGurk, J. N. N. (John James Noel) | Article in Book | | 2004 |
| Enlistment of ex-soldiers in the Royal irish Constabulary | | Article in Journal | | 2010 |
| Entertaining injured troops at Seapoint Boat Club | Delany, Vincent | Article in Journal | | 2020 |
| Escort base | Doherty, Richard | Article in Journal | | 1994 |
| Eurocontrol and Mount Gabriel | Leahy, Paddy | Article in Journal | | 2014 |
| Excerpts from A Soldier's Diary (1940 - 1945) | Kirkpatrick, Diana | Article in Journal | | 2009 |
| Excesses and disorders in Murphy's Regiment in Flanders, 1656 | Moran, Alan | Article in Journal | | 2020 |
| Excommunication at a Meath threshing | McCabe, Brian | Article in Journal | | 2017 |
| External forces in the famine emigration from Ireland | Scally, Robert James | Article in Book | | 1997 |
| Extracts from Admiralty passing certificates 1787-1801 | Public Record Office | Article in Journal | | 1966 |
| Eye witnesses and contemporary accounts : introduction | Walsh, Laurence | Article in Journal | | 1990 |
| Eye-witnesses of the Boyne | Simms, J. G. (John Gerald) | Article in Journal | | 1963 |
| Eyewitness Bloody Sunday | Mullan, DonScally, John | Monograph or Collective Volume | Merlin | 2002 |
| Fair Oaks : the battle of Fair Oaks, 1862 | Anonymous | Article in Journal | | 1954 |
| Falling blossom : a British officer's enduring love for a Japanese woman | Pagnamenta, PeterWilliams, Momoko | Monograph or Collective Volume | Century | 2006 |
| Famous Irish regiments : Butler's Irish regiment | Powell, J. P. | Article in Journal | | 2013 |
| Famous Irish regiments : The Connaught Rangers | Powell, J. P. | Article in Journal | | 2012 |
| Farewell to the 25-pounder Field Gun | Scannell, James | Article in Journal | | 2011 |
| Father John McElroy SJ. : 'First' Catholic chaplain of the United States Army | Connolly, John | Article in Journal | | 2011 |
| Father of the modern submarine | Canby, CourtlandMorris, Richard K. | Article in Journal | | 1961 |
| Fenians, spies and army mutiny: the unravelling of the Tipperary IRB in 1865-66 | O'Keeffe, Mark | Article in Journal | | 2017 |
| Fiction, West Cork and the Wild Geese | Lane, Pádraig G. | Article in Journal | | 2017 |
| Fiddlers and whores : the candid memoirs of a surgeon in Nelson's fleet | Lowry, James, d. 1855Millyard, John | Monograph or Collective Volume | Chatham | 2006 |
| Field gun 9168: more than just a number | Delaney, Robert | Article in Journal | | 2019 |
| Field Marshal Francis Maurice Lacy (1725-1801) | O'Neill, JamesThompson, F. Glenn | Article in Journal | | 1987 |
| Field Marshal Lord Strathnairn (1801-1885) | Ó Broin, León, 1902-1990 | Article in Journal | | 2006 |
| Field Marshal Viscount Gough (1779-1869) | Igoe, Vivien | Article in Journal | | 2018 |
| Field of bones : an Irish division at Gallipoli | Orr, Philip | Monograph or Collective Volume | Lilliput Press | 2006 |
| Field troops (regulars) stationed in Irish Command end-June 1921 | | Article in Journal | | 2010 |
| Field-Marshal Sir Henry Wilson : imperial soldier, political failure | Coulter, Mark | Article in Journal | | 2005 |
| Field-marshal Ulysses Maximilian Browne | Franks, George, Sir | Article in Journal | | 1941 |
| Fields of Battle, Lands of Peace. The Doughboys 1917-18 | Cart, Doran | Article in Journal | | 2017 |
| Fifty years ago | Lalor, H. R. | Article in Journal | | 1979 |
| Fighting for Dublin : the British battle for Dublin, 1919-1921 | Sheehan, William, 1968- | Monograph or Collective Volume | Collins Press | 2007 |
| Fighting Irish : the Irish Regiments in the First World War | Hughes, Gavin | Monograph or Collective Volume | Merrion Press | 2015 |
| Finner camp : a history | O'Carroll, Declan | Monograph or Collective Volume | Defence Forces Printing Press | 2007 |
| Finner camp, 1890-1986 | Emerson, Lucius | Article in Journal | | 1986 |
| Fire brigade or military force? The case of the Irish army | Harris-Jenkins, Gwyn | Article in Journal | | 1994 |
| First glimpses into food and fuel from a Napoleonic-era military kitchen in Ireland | O'Droma, Roisin | Article in Journal | | 2023 |
| First New Zealand serviceman killed in action during World War I was a Wicklowman | Ó Cléirigh, Noel | Article in Journal | | 2017 |
| First non-stop flight across the Atlantic | Malott, R. K. | Article in Journal | | 1969 |
| First World War | | Article in Journal | | 2016 |
| Flag of an Irish regiment in Bavarian service, 1626-1633 | Anonymous | Article in Journal | | 2005 |
| Flags, pennants and colours | Anonymous | Article in Journal | | 1979 |
| Flanders fields and Irish recollections | Quinn, Anthony | Article in Journal | | 1977 |
| Flights of wild geese : service in the Irish Jacobite army and in the Irish Brigade of the French army, 1689-1713 | Butler, Toby | Article in Journal | | 2000 |
| Flying Dutchmen and Drunken Irishmen : the myths and realities of ethnic Civil War soldiers | Keller, Christian B. | Article in Journal | | 2009 |
| Flying from Derry : Eglinton and naval aviation in Northern Ireland | Warner, Guy | Monograph or Collective Volume | Ulster Aviation Society | 2007 |
| Flying the 'Chippy' | Fry, Paul | Article in Journal | | 2012 |
| For defense of country and the glory of arms : army officers in Spanish Louisana, 1766-1803 | Din, Gilbert C. | Article in Journal | | 2002 |
| For king, country and a shilling a day : Belfast recruiting patterns in the Great War | Mercer, Eric | Article in Journal | | 2003 |
| For kings or Ulster : the landed interests, political ideologies and military campaigns of the British settler armies of North West Ireland, 1620-85 | MacKenny, Kevin | Monograph or Collective Volume | Irish Academic Press | 1997 |
| Forces and themes in Ulster fiction | Foster, J. W. | Monograph or Collective Volume | [s.n.] | 1974 |
| Foreign aircraft forced down in Waterford | Cummins, Patrick J. | Article in Journal | | 1987 |
| Foreign seamen in the U.S. navy : a census of 1808 | McKee, Christopher | Article in Journal | | 1985 |
| Forgotten history: Irish servicewomen in the First World War 1917-19189 | Walsh, Barbara | Article in Journal | | 2022 |
| Fort Dunree | Bourke, Wesley | Article in Journal | | 2014 |
| Fort Shannon : a case history in Anglo-Irish co-operation during WWII | De Cogan, Donard | Article in Journal | | 2001 |
| Four armies in Ireland | Wheeler, Scott | Article in Book | | 1995 |
| Four funerals and a wedding | Nolan, Paddy | Article in Journal | | 2017 |
| Four months in winter | Barzilay, David | Monograph or Collective Volume | 2nd Battalion Royal Regiment of Fusiliers | 1972 |
| Four soldiers of the American revolution | Murphy, W. S. | Article in Journal | | 1962 |
| Fr Browne, SJ, photographer | Myers, Kevin | Article in Journal | | 1994 |
| Fr John Fahey (1883-1959): Celebrated Tipperary-Born Great War Australian Army Chaplain | Cusack, Danny | Article in Journal | | 2024 |
| Fr. William O'Donnell - 'the Waterloo priest' | Anonymous | Article in Journal | | 1993 |
| Francis Anderson Calder (1787-1855) | Black, Eileen | Article in Journal | | 1980 |
| Francis Henry Hely Hutchinson (1839-1905): an Irishman at the Battle of Pei-Ho | McQuinn, Colm | Article in Journal | | 2011 |
| Francis Ledwidge | Bergin, Patrick | Article in Journal | | 1988 |
| Francis Ledwidge : a name in sunshine | Tracy, Frank | Article in Journal | | 2018 |
| Francis Ledwidge, who fought in another man's war | Curtayne, Alice | Article in Journal | | 1980 |
| Francis Leopold McClintock, the 'Arctic Fox' | Murphy, David | Article in Journal | | 2006 |
| Francis Thurot and the French attack at Carrickfergus, 1759-60 | Beresford, M. H. T. de la P. | Article in Journal | | 1971 |
| Frank Kitson in Northern Ireland and the 'British way' of counterinsurgence | Hughes, James | Article in Journal | | 2014 |
| Frederick Parslow, VC | Kingston, Victoria | Article in Journal | | 2017 |
| Free State versus Republic: the opposing armed forces in the Irish Civil War | White, Gerry | Article in Book | | 2017 |
| From Abbeyville to Quebec | Coyle, Eugene A. | Article in Journal | | 2001 |
| From Ballinalee to Botany Bay. Clonbroney's links with Colonial Australia | Brady, Gerry | Article in Journal | | 2006 |
| From Ballyduff toLangemarck and places in between: a report on research in progress on the Joughin family from Ballyduff, near Tullamore | Deverell, Joe | Article in Journal | | 2013 |
| From Bandon to Singapore - General Arthur Percival | Ó Cuanacháin, Pádraig | Article in Journal | | 2002 |
| From Bellewstown to the battlefields of World War One | Ahern, Fiona | Article in Journal | | 2016 |
| From Carlow to the Russian front | Stieber, John | Article in Journal | | 1997 |
| From horses and limbers to bicycles and tanks: the influence of mechanical inventions on soldiering in Ireland, 1905-22 | | Article in Journal | | 2022 |
| From horses and limbers to bicycles and tanks: the influence of mechanical inventions on soldiering in Ireland, 1905-22 | McCarthy, Patrick | Article in Journal | | 2022 |
| From Kaupang and Avaldsnes to the Irish Sea | Skre, Dagfinn | Article in Book | | 2015 |
| From Killiney Bay to the South Pacific. Admiral Sir Henry C. Kane (1844-1917) and the 'Calliope' | Quinn, Tony | Article in Journal | | 2003 |
| From merciless invaders : an eye-witness account of the Spanish armada | McKee, Alexander | Monograph or Collective Volume | Souvenir P. | 1963 |
| From Oola to Vietnam | O'Shea, Walter S. | Article in Journal | | 1999 |
| From Patrick Street to the Dardanelles : the Bernard Mahony story | Lécane, Philip | Article in Journal | | 1999 |
| From public defiance to guerilla warfare : the experience of ordinary volunteers in the Irish War of Independence, 1916-1921 | Augusteijn, Joost | Monograph or Collective Volume | Irish Academic Press | 1996 |
| From the earth, a cry : the story of John Boyle O'Reilly | Kenneally, Ian | Monograph or Collective Volume | Collins Press | 2011 |
| From the files of the DIB ... 'The singing bobby' | Long, Patrick | Article in Journal | | 2010 |
| From the files of the DIB... Bionic soldier of fortune | Ó Ciardha, Éamonn | Article in Journal | | 2008 |
| From Ulster to the Dardanelles : the local impact of the Gallipoli campaign | Henderson, NigelOrr, Philip | Monograph or Collective Volume | Northern Ireland War Memorial | 2015 |
| Front of the line : adventures with Irish Brigade | Doherty, RichardGunner, C. J. | Monograph or Collective Volume | | 1991 |
| Further notes on some Irishmen in the imperial service | Walsh, Micheline | Article in Journal | | 1964 |
| Futher Skibbereen casualties of WW1 | Anonymous | Article in Journal | | 2016 |
| Gaeil i gcéin | De Barra, Pádraig | Article in Journal | | 1958 |
| Gallant John Barry, 1745-1803 : the story of a naval hero of two wars | Clark, William Bell | Monograph or Collective Volume | Macmillan | 1938 |
| Gallipoli 1915 : Disaster and defeat | Cahalane, John | Article in Journal | | 2015 |
| Gallipoli : Irish landscapes in a distant war | Whelan, Michael J. | Article in Journal | | 2011 |
| Gallipoli letters of Captain V.A. Acheson | Acheson, Peter | Article in Journal | | 2018 |
| Galway in the Jacobite war | Mulloy, Sheila | Article in Journal | | 1985 |
| Galway. La Irlanda más española | Ibáñez Bonilla, Pablo | Article in Journal | | 2006 |
| Garrison life in Derry, 1600-1603 | McGurk, J. N. N. (John James Noel) | Article in Journal | | 2006 |
| Garrisons and barracks in the Irish midlands, 1704-1828 | Kerrigan, P. M. | Article in Journal | | 1985 |
| Garryowen | Farmer, H. G. | Article in Journal | | 1949 |
| Gearóid Ó Súilleabháin: Brave and faithful soldier of Ireland, whose life was devoted to the service of his country, in war and in peace | O'Regan, Philip | Article in Journal | | 2016 |
| Genealogy and its connection with Irish regimental history | Garland, John | Article in Journal | | 1959 |
| General Charles Vallancey 1725-1812 | Nevin, Monica | Article in Journal | | 1993 |
| General Francis Rawdon Chesney, 1789-1872 | Chesney, Helena C. G. | Article in Book | | 1997 |
| General Frederick Young 1786-1874 | Magowan, Rachel | Article in Journal | | 2015 |
| General Humbert takes his leave | Bartlett, Thomas | Article in Journal | | 1991 |
| General James Hewitt Ledlie | Fee, Aidan | Article in Journal | | 1999 |
| General James Hogan : a forgotten American hero | Hogan, Neil | Article in Journal | | 1990 |
| General John Sigismund Maguire and the Kerry connection | Faulkner, Anselm | Article in Journal | | 1982 |
| General Michael Joseph Costello (1904-1986) | Anonymous | Monograph or Collective Volume | Comhlucht Siuicre Eireann Teo | 1986 |
| General Nugent and the Ulster Division in the March 1918 retreat | Perry, Nicholas | Article in Journal | | 1999 |
| General Sir John Anderson, G.B.E, K.C.B., D.S.O., M.A. (1908-88) | Nelson, Ivan F. | Article in Journal | | 2013 |
| General Sir William F. Butler : the green redcoat | Dillon, Fergus | Article in Journal | | 1989 |
| General Thomas Arthur Count Lally | Hayes, Richard Francis | Article in Journal | | 1949 |
| George Canning and the battle of Camperdown | Crimmin, Patricia Kathleen | Article in Journal | | 1981 |
| Georgian Dublin: the forces that shaped the city | | Monograph or Collective Volume | Cork University Press | 2015 |
| Georgian Kinsale : Garrison and Townsfolk | McSwiney, P. | Article in Journal | | 1939 |
| German internees at the Curragh Camp | Diver, Luke | Article in Journal | | 2017 |
| Getting it Wrong : The Crucial Mistakes Made in the Early Stages of the British Army's Deployment to Northern Ireland (August 1969 to March 1972) | Thornton, Rod | Article in Journal | | 2007 |
| GI stories of 1942 | | Article in Journal | | 2004 |
| Ginchy : nationalist Ireland's forgotten battle of the Somme | Staunton, Martin | Article in Journal | | 1986 |
| Glimpses of Gaelic Ireland : two lectures | Murphy, Gerard | Monograph or Collective Volume | Fallon | 1948 |
| Glimpses of Irishmen in Spanish armies, 1621-1644 | Mesa, Eduardo de | Article in Journal | | 2014 |
| Glimpses of life in Navan during the Great War 1914-1918, as revealed by comtemporary newspapers and the surviving British Army Military records | Cantwell, Ethna | Article in Journal | | 2016 |
| God's executioner : Oliver Cromwell and the conquest of Ireland | Ó Siochrú, Micheál | Monograph or Collective Volume | Faber | 2008 |
| God's obvious design : papers for the Spanish Armada Symposium, Sligo, 1988 | | Monograph or Collective Volume | Tamesis Press | 1990 |
| Godard Van Reede, baron de Ginkel, earl of Athlone (1644-1703) | Murtagh, Harman | Article in Journal | | 1973 |
| Going to the wars : experience of the British civil wars, 1638-1651 | Carlton, Charles Hope | Monograph or Collective Volume | | 1992 |
| Gone for a soldier : the story of a Dublin boy | Clarke, Howard R. | Article in Journal | | 2015 |
| Gone with the wind | Cameron, Murray | Article in Journal | | 2014 |
| Gormanston Camp 1917-1986 | O'Malley, M. | Monograph or Collective Volume | The author | 1986 |
| Goughie : the life of General Sir Hubert Gough, CGB, GCMG, KCVO | Farrar-Hockley, Anthony, 1924-2006 | Monograph or Collective Volume | | 1975 |
| Governors, gaolers and guards : the Irish soldiers at Moreton Bay, 1824-1842 | Harrison, Jennifer | Article in Book | | 1995 |
| Great Hatred. The assassination of Field Marshal Air Henry Wilson MP, [by] Ronan McGreevy. London, 2022 | Regan, John M. | Article in Journal | | 2022 |
| Green against green : the Irish civil war | Hopkinson, Michael | Monograph or Collective Volume | Gill & Macmillan | 1988 |
| Green fields of France | Joyce, Michael | Article in Journal | | 2008 |
| Guard-ships at Kingstown | Lowth, Cormac F. | Article in Journal | | 2014 |
| Guerre civile en Irlande | Casteran, Christian | Monograph or Collective Volume | Mercure de France | 1970 |
| Guide to medals | Blackwell, Patrick | Article in Book | | 2012 |
| Guide to the battlefields of Britain and Ireland | Green, Howard | Monograph or Collective Volume | | 1973 |
| Guide to the Military Service (1916-1923) Pensions Collection | | Monograph or Collective Volume | Óglaigh na hÉireann [Defence Forces Ireland] | 2012 |
| Guns and gunners | Nowlan, P. F. | Article in Journal | | 1991 |
| Guns in medieval and Tudor Ireland | De hÓir, Siobhán | Article in Journal | | 1982 |
| H.M.S. Laurentic | Guthrie, Robert | Article in Journal | | 2002 |
| H.M.S. Vindictive : Belfast's first aircraft carrier | Kinsella, Anthony | Article in Journal | | 2007 |
| Haulbowline, Spike and Rocky islands | Brunicardi, Niall | Monograph or Collective Volume | Eigse Books | 1982 |
| Having the right kit : galloglass fighting in Ireland | Caldwell, David H. | Article in Journal | | 2008 |
| Havoc : the auxiliaries in Ireland's War of Independence | O'Brien, Paul | Monograph or Collective Volume | Collins Press | 2017 |
| He came looking for his son: the story of three boy soldiers of the Manchester Regiment caught up in the Irish Revolution | Duggan, Vincent | Article in Journal | | 2024 |
| Headstone inscription in St John's Churchyard | | Article in Journal | | 2006 |
| Hector Tyndale : Carlow's association with the American Civil War and the return of John Brown's body to his wife | Nevin, Martin | Article in Journal | | 1997 |
| Hell on high ground : 1. A guide to aircraft hill crash sites in the UK and Ireland; 2. World War II air crash sites | Earl, David W. | Monograph or Collective Volume | Airlife | 1995 |
| Henderson Wightman, R. N. 1810-16 | Morton, Grenfell | Article in Journal | | 1980 |
| Henry Alexander Lewis 1907-1976 | Carroll, Frieda | Article in Journal | | 1995 |
| Henry Ireton | Ramsey, R. W. | Monograph or Collective Volume | Longmans | 1949 |
| Henry MacDonnell, teniente general in the Spanish navy | Ireland, John de Courcy, 1911-2006 | Article in Journal | | 1982 |
| Heroic option : the Irish in the British Army | Bowen, DesmondBowen, Jean | Monograph or Collective Volume | Pen & Sword Military | 2005 |
| Historia del Almirante Brown | Ratto, H. R. | Monograph or Collective Volume | Centro Naval, Instituto de Publicaciones Navales | 1985 |
| Historic mission recalled | Kiernan, Dean | Article in Journal | | 2010 |
| Historic mission recalled | Kiernan, Dean | Article in Journal | | 2010 |
| Historic recruiting posters | Costello, C. | Article in Journal | | 1974 |
| History of aviation in Ireland | Byrne, Liam | Monograph or Collective Volume | Blackwater | 1980 |
| History of British military bands, 3 : Infantry & Irish : including the King's Division, the Prince of Wales's Division, the Light Division, the disbanded Irish regiments | Turner, Alwyn W.Turner, Gordon | Monograph or Collective Volume | Spellmount | 1997 |
| History of Cathal Brugha Barracks | O’Loghlen, John, Lt. Cl. | Monograph or Collective Volume | Oglaigh na hÉireann/ Defence Forces Ireland | 2014 |
| History of Clarke Barracks, 1855-1930 | Hynes, Rory | Monograph or Collective Volume | R. Hynes | 1994 |
| History of James Stephens Barracks, Kilkenny | Condon, L.Mullagh, M. | Monograph or Collective Volume | The authors | 1987 |
| History of the Irish brigades in the service of France | Hally, P. J.O'Callaghan, John Cornelius, 1805-1883 | Monograph or Collective Volume | Cameron and Ferguson | 1870 |
| History of the Irish Guards in the second World War | Fitzgerald, D. J. L. | Monograph or Collective Volume | Gale & Polden | 1949 |
| History of the Royal Munster Fusiliers | McCance, S. | Monograph or Collective Volume | Schull Books | 1995 |
| HMS Valorous : her contribution to Galway maritime history | Collins, Timothy | Article in Journal | | 1997 |
| Houses for heroes, Life in the Killester colony 1919-1945 | O'Sullivan, Jan | Article in Journal | | 2012 |
| How I liked Dublin | Martineau, G. D. | Article in Journal | | 1941 |
| Hugh Beatty, an Irish soldier in Portugal | Trench, C. E. F. | Article in Journal | | 1981 |
| Hugh Roe O'Donnell's address to his soldiers before the battle of the Curlew mountains | O'Donnell, Vincent | Article in Journal | | 1992 |
| Humour and Defiance : Irish Troops and their Humour in the Peninsular War | Dunne-Lynch, Nicholas | Article in Journal | | 2007 |
| I leoni del mare : I Lamport di Ballycrinnegan, pirati e patrioti | Troncarelli, Fabio | Article in Book | | 2002 |
| I praise the coastwatcher | Davidson, Norris | Article in Journal | | 1996 |
| Iers niemandsland : Ierse vrijwilligers in het Britse leger tijdens de Eerste Wereldoorlog | Stuivenga, Marcel | Monograph or Collective Volume | Aspekt | 2004 |
| Illustrations, historical and genealogical of King James's Irish army list (1689) | D'Alton, John | Monograph or Collective Volume | Celtic Bookshop|Irish Genealogical Foundations | 1997 |
| Images of the Boyne | Harrington, Peter | Article in Journal | | 1990 |
| Immediate action | McNab, Andy | Monograph or Collective Volume | Bantam Press | 1995 |
| Imperial loyalties : Irishmen, Anzacs and the conflict of empires at Gallipoli | Fitzpatrick, David | Article in Journal | | 2016 |
| Imperial yeomanry notes | Thompson, F. Glenn | Article in Journal | | 1985 |
| In foreign fields: soldiers of Down in the Great War. The Down County Museum Collection | Hogg, NoelSimpson, M. Lesley | Article in Journal | | 2004 |
| In memory of Irish mariners | Fitzgerald, Wayne | Article in Journal | | 2014 |
| In memory of Lieutenant Tom Kettle, 'B company, 9th Royal Dublin Fusiliers | Burke, Tom | Article in Journal | | 2004 |
| In search of Irish veterans in northern Catalonia | Ó hAnnracháin, Eoghan | Article in Journal | | 2020 |
| In search of Willie Patterson : a Scottish soldier in the age of imperialism | Reid, Fred | Monograph or Collective Volume | Cualann | 2002 |
| In the claws of the Spider Crab. Experiences on three continents. Dedicated to the Young People of Germany | Heider, Ernst | Article in Journal | | 2021 |
| In the footsteps of a king. Tracing the route taken by Richard II during his campaign against Art Mac Murrough in 1394 | Kinirons, Samuel | Article in Journal | | 2016 |
| In the service of peace : memories of the Lebanon from the pages of 'An Cosantoir' | | Monograph or Collective Volume | Mercier Press | 2001 |
| In the steps of King William : Scottish Orangeism's military foundation | Bryce, David, 1926- | Monograph or Collective Volume | [D. Bryce] | 2006 |
| Index to the manuscripts of military interest in the National Library of Ireland | | Article in Journal | | 1954 |
| Indiana's ethnic regiments | Burton, William | Article in Journal | | 1980 |
| Indiscipline and disaffection in the armed forces in Ireland in the 1790s | Bartlett, Thomas | Article in Book | | 1985 |
| Indiscipline and disaffection in the French and Irish armies during the revolutionary period | Bastlett, Thomas | Article in Book | | 1990 |
| Informalisation of metropolitan labour forces : the case of Irish immigrants in the New York construction industry | Corcoran, M. P. | Article in Journal | | 1991 |
| Inglorious soldier | Gibbon, Monk, 1896- | Monograph or Collective Volume | Hutchinson | 1968 |
| Inishowen's wartime coastwatchers 1939-45 | Kennedy, Michael | Article in Journal | | 2015 |
| Insurrection in the cradle of abolitionism. The 1863 Boston draft riot | Regan, Joe | Article in Journal | | 2019 |
| Intelligence, the English navy and Ireland during the 1640s | Murphy, Elaine | Article in Book | | 2006 |
| Into action : Irish peacekeepers under fire, 1960-2014 | Harvey, Dan | Monograph or Collective Volume | Merrion Press | 2017 |
| Into the wheatfield : the Union army's Irish brigade at Gettysburg | O'Brien, Kevin E. | Article in Journal | | 1995 |
| Invasion : defending Britain from attack | Cruickshank, Dan | Monograph or Collective Volume | Boxtree | 2001 |
| Ireland : graveyard of the Armada | Kilfeather, T. P. | Monograph or Collective Volume | Anvil Books | 1967 |
| Ireland and British military preparations for war in America in 1775 | Burns, R. E. | Article in Journal | | 1963 |
| Ireland and empire, 1692-1770 | McGrath, Charles Ivar | Monograph or Collective Volume | Chatto and Pickering | 2012 |
| Ireland and international peacekeeping operations, 1960-2000 : a study of Irish motivation | Ishizuka, K. | Monograph or Collective Volume | Cass | 2004 |
| Ireland and the Crimean War | Murphy, David, 1971- | Monograph or Collective Volume | Four Courts | 2002 |
| Ireland and the Crimean War | Griffin, Brian | Article in Journal | | 2001 |
| Ireland and the Crimean War, 1854-6 | Murphy, David, 1968- | Article in Journal | | 2003 |
| Ireland and the Crimean War, 1854-6 : a study of domestic response | Huddie, Paul | Thesis | | |
| Ireland and the Great War : a social and political history | Gallagher, Niamh | Monograph or Collective Volume | Bloomsbury Academic | 2019 |
| Ireland and the Irish in maritime history | Ireland, John de Courcy, 1911-2006 | Monograph or Collective Volume | Glendale | 1986 |
| Ireland and the United Nations Peacekeeping Force in Cyprus | MacQueen, Norman | Article in Journal | | 1983 |
| Ireland and the war | Hannay, J. O. | Article in Journal | | 1915 |
| Ireland and the Waterloo Campaign | Molloy, Peter | Article in Journal | | 2015 |
| Ireland at the Somme : A Tale of Two Divisions | Horne, John | Article in Journal | | 2007 |
| Ireland in Naval Strategy 1641-1691 | Kerrigan, Paul M. | Article in Book | | 2001 |
| Ireland in the age of reform and revolution. A commentary on Anglo-Irish relations and on political forces in Ireland, 1840-1921 | Mansergh, Nicholas, 1910-1991 | Monograph or Collective Volume | Allen & Unwin | 1940 |
| Ireland in two wars : 2, recruiting in Ireland to-day | Hannay, J. O. | Article in Journal | | 1916 |
| Ireland's ace of aces | Byrne, Maurice | Article in Journal | | 2012 |
| Ireland's army medical service | McKinney, T. | Article in Book | | 1952 |
| Ireland's aviator heroes of World War II | Hewitt, John | Monograph or Collective Volume | The author | 2003 |
| Ireland's civil war | Younger, Calton | Monograph or Collective Volume | Muller | 1968 |
| Ireland's contribution to the armies of Edward I | Lydon, J. | Thesis | | 1952 |
| Ireland's first engagement in United Nations peacekeeping operations : an assessment | Heaslip, Richard E. M. | Article in Journal | | 2006 |
| Ireland's forgotten 10th : a brief history of the 10th (Irish) division, 1914-1918, Turkey, Macedonia and Palestine | Stanley, Jeremy | Monograph or Collective Volume | Impact Printing | 2003 |
| Ireland's generals in the second world war | Doherty, Richard | Monograph or Collective Volume | Four Courts | 2004 |
| Ireland's maritime heritage | Ireland, John de Courcy, 1911-2006 | Monograph or Collective Volume | An Post | 1992 |
| Ireland's participation in the military activities of English kings in the thirteenth and early-fourteenth century | Lydon, James F. | Thesis | | |
| Ireland's participation in United Nations peacekeeping : a military perspective | O'Neill, John | Article in Book | | 2005 |
| Ireland's US Navy 'war brides'. | Shiels, Damian | Article in Journal | | 2017 |
| Ireland's women warriors | Crawford, Seán | Article in Journal | | 1942 |
| Ireland, the United Nations and peacekeeping operations | Murphy, Ray | Article in Journal | | 1998 |
| Ireland, the United Nations and the Congo : a military and diplomatic history, 1960-1 | Kennedy, Michael (Michael J.)Magenis, Art | Monograph or Collective Volume | Four Courts | 2014 |
| Ireland. Lord lieutenant general and governor general, standing orders and regulations for the army in Ireland (1794) | Anonymous | Monograph or Collective Volume | Muller | 1969 |
| Ireland’s Protestant militia 1715-76 : a military assessment | Garnham, Neal | Article in Journal | | 1996 |
| Irish aces of the Royal Flying Corps and Royal Air Force, 1914-1918 | McCarthy, Patrick | Article in Journal | | 2000 |
| Irish Air Corps : a view from the tower | Byrne, KevinTormey, Peter | Monograph or Collective Volume | Defence Forces Printing Press | 1991 |
| Irish aircraft : a history of Irish aviation | Butler, Philip Henry | Monograph or Collective Volume | Merseyside Aviation Society | 1972 |
| Irish archives no. 16 : Irish National War memorial | Anonymous | Article in Journal | | 1995 |
| Irish armoured cars | Martin, Karl | Monograph or Collective Volume | The author | 1983 |
| Irish army vehicles : transport and armour since 1922 | Martin, Karl | Monograph or Collective Volume | Karl Martin | 2002 |
| Irish barracks in the 1820s and 1830s : a political perspective | Crossman, Virginia | Article in Journal | | 1989 |
| Irish Batt : the story of Ireland's Blue Berets in the Lebanon | McDonald, Henry | Monograph or Collective Volume | Gill & Macmillan | 1993 |
| Irish battles | Hayes-McCoy, G. A. (Gerard Anthony) | Monograph or Collective Volume | Longmans | 1969 |
| Irish battles : a military history of Ireland | Hayes-McCoy, G. A. (Gerard Anthony) | Monograph or Collective Volume | Appletree Press | 1988 |
| Irish casualties in French military service | Hayes, Richard Francis | Article in Journal | | 1952 |
| Irish casualties in the First World War | Casey, Patrick | Article in Journal | | 1997 |
| Irish Catholic chaplains in the British armed forces during the First World War | O'Neill, Hugh | Article in Journal | | 2011 |
| Irish Catholic Chaplains in WWI | Casey, Gerard | Article in Journal | | 2015 |
| Irish cavalry, I.The 16th century. 2. The Jacobite horse | Murtagh, Diarmuid | Article in Journal | | 1953 |
| Irish consequences of the Great War | Fitzpatrick, David | Article in Journal | | 2015 |
| Irish culture and the defence forces | O'Grady, Noel | Article in Journal | | 1996 |
| Irish defence forces 1940-1949 : the chief of staff reports | | Monograph or Collective Volume | Irish Manuscripts Commission | 2011 |
| Irish faces on the Plains of Abraham: West's painting; the letters home of Lieutenant Henry Browne; and the ancestry of Major-General James Wolfe | Ferguson, Kenneth | Article in Journal | | 2015 |
| Irish fighting Irish. In foreign armies, Irish soldiers often found fellow-Irishmen in their gun sights | McGinn, Brian | Article in Journal | | 1995 |
| Irish fighting men as seen by others | MacCall, Séamus | Article in Journal | | 1945 |
| Irish generals : Irish generals in the British Army in the 2nd World War | Doherty, Richard | Monograph or Collective Volume | Appletree | 1993 |
| Irish generals and Spanish politics under Fernando VII | Griffin, William D. | Article in Journal | | 1971 |
| Irish Guards : the first hundred years, 1900-2000 | Anonymous | Monograph or Collective Volume | Spellmount | 2000 |
| Irish Guards : their first hundred years 1900-2000 | Anonymous | Monograph or Collective Volume | Spellmount | 2000 |
| Irish identity and integration within the British armed forces, 1939-1945 | O'Connor, Steven | Article in Journal | | 2015 |
| Irish identity and the Crimean War | Griffin, Brian | Article in Book | | 1998 |
| Irish immigrants and the American Civil War | Real, Chuck | Article in Journal | | 1996 |
| Irish impressions of the French during World War One | Pierce, Siobhan | Article in Book | | 2009 |
| Irish in Scottish regiments | Murtagh, Diarmuid | Article in Journal | | 1953 |
| Irish Legion officers of Kilkenny origin. Thomas Jackson of Ballyreddin | Dunne-Lynch, Nicholas | Article in Journal | | 2009 |
| Irish levies in the Scottish wars, 1296-1302 | Lydon, James F. | Article in Journal | | 1961 |
| Irish military archives. A genealogical source? | Merrigan, Michael | Article in Journal | | 1996 |
| Irish military community in Spanish Flanders, 1586-1621 | Henry, Gráinne | Monograph or Collective Volume | | 1992 |
| Irish military surveys of the 17th century | Costello, C. | Article in Journal | | 1961 |
| Irish Militia Artillary 1854-1909 | Clements, W. H. | Article in Journal | | 2008 |
| Irish naval links with the Adriatic | Ireland, John de Courcy, 1911-2006 | Article in Journal | | 1963 |
| Irish naval service | Adams, Thomas A., 1945- | Monograph or Collective Volume | World Ship Society | 1982 |
| Irish neutrality: the United Nations and the peace-keeping experience, 1945-1969 | MacQueen, Norman John David | Thesis | | 1982 |
| Irish oblate and naval chaplain : Father Stewart Phelan and the Battle of Jutland | Hagerty, James | Article in Book | | 2015 |
| Irish Officers in the British Armed Forces, 1922-49 | O’Connor, Steven | Thesis | | 2012 |
| Irish officers in the Neapolitan service | Garland, J. L. | Article in Journal | | 1979 |
| Irish officers in the Spanish service | Gallwey, Hubert, 1915- | Article in Journal | | 1981 |
| Irish officers in the Spanish service : 6 : the regiment of Hibernia | Gallwey, Hubert, 1915- | Article in Journal | | 1983 |
| Irish officers in the Spanish service, V : the regiment of Irlanda | Garland, John | Article in Journal | | 1982 |
| Irish officers in the Spanish service. VII : the regiment of Hibernia | Gallwey, Hubert, 1915-Garland, John | Article in Journal | | 1984 |
| Irish officers in the Spanish service; 3 : the regiment of Waterford | Gallwey, Hubert, 1915- | Article in Journal | | 1980 |
| Irish officiers in the Bavarian service during the war of the Spanish succession | Garland, John | Article in Journal | | 1981 |
| Irish participation in Scandinavian armies during the Thirty Years War | Grosjean, AlexiaMurdoch, Steve | Article in Journal | | 2005 |
| Irish participation in the French naval activities which led to the fall of Yorktown 19th October 1781, and the independence of the United States | Ireland, John de Courcy, 1911-2006 | Article in Journal | | 1981 |
| Irish patriot and Napoleonic soldier, William Lawless | Gallagher, John | Article in Journal | | 1992 |
| Irish politics and the British army list : the formation of the Irish Guards in 1900 | Denman, Terence | Article in Journal | | 1995 |
| Irish prisoners of war in the Anglo-Boer war | McCracken, Donal P. | Article in Journal | | 2018 |
| Irish privateers during the Civil War, 1642-1650 | Ohlmeyer, Jane H. | Article in Journal | | 1990 |
| Irish rebels, Confederate tigers : the 6th Louisiana Volunteers, 1861-1865 | Gannon, James P. | Monograph or Collective Volume | Savas | 1998 |
| Irish recipients of awards for bravery in the United States armed forces (1863-1963) | O'Ryan, William D. | Article in Journal | | 1968 |
| Irish recruiting and the Home Rule crisis of August-September 1914 | Howie, DavidHowie, Josephine | Article in Book | | 1996 |
| Irish Recruitment to the British Armed Forces, 1914-1918 | Butler, WilliamMichael, TimothyWheatley, Michael | Monograph or Collective Volume | Liverpool University Press|sometimes given as Oxford University Press | 2020 |
| Irish regimental marches | Paine, J. | Article in Journal | | 1936 |
| Irish regiments in the Great War : discipline and morale | Bowman, Timothy | Monograph or Collective Volume | Manchester University Press | 2003 |
| Irish regiments in the Union army : the Massachusetts experience | Burton, William | Article in Journal | | 1983 |
| Irish seamen in the war for American independence | Ireland, John de Courcy, 1911-2006 | Article in Journal | | 1976 |
| Irish soldiers abroad, 1600-1800 | Murtagh, Harman | Article in Book | | 1996 |
| Irish soldiers and desertion in the ranks of the eighteenth century French army | Ó Conaill, Colm James | Article in Journal | | 2005 |
| Irish soldiers and seamen in Latin America | Ireland, John de Courcy, 1911-2006 | Article in Journal | | 1953 |
| Irish soldiers at the siege of Rouen, 1418-19 | Hayes, Richard Francis | Article in Journal | | 1954 |
| Irish soldiers in Barcelona, 1653-4 | Pyne, Peter | Article in Journal | | 1995 |
| Irish soldiers in India | Cadell, Patrick, Sir | Article in Journal | | 1950 |
| Irish soldiers in Natal : those who were discharged and those who died in service | Spencer, Shelagh O'Byrne | Article in Book | | 1996 |
| Irish soldiers in Risorgimento Italy and Civil War America: Nineteenth-century Irish nation-building in transnational and comparative perspective | O'Driscoll, Florry | Thesis | | 2018 |
| Irish soldiers in the 1st Australian Imperial Force | Connor, John | Article in Book | | 1995 |
| Irish soldiers in the British Army, 1792 : suborned or sub-ordinate? | Karsten, P. | Article in Journal | | 1983 |
| Irish soldiers in the British army, 1792-1922 : suborned or subordinate? | Karsten, Peter | Article in Book | | 1998 |
| Irish soldiers in the great war : some personal experiences | Nelson, J. | Article in Journal | | 1974 |
| Irish soldiers in the St Helena Muster list - July 1827 | Fox, Colin | Article in Journal | | 2011 |
| Irish soldiers in the Thirty Years War | Henning, John | Article in Journal | | 1952 |
| Irish soldiers of the 1st Troop, 1st Brigade, Bengal Horse Artillery, who died during the insurrection at and retreat from Kabul, in the months of November and December 1841 and January 1842 | Rogers, Leslie | Article in Journal | | 2014 |
| Irish soldiers of the American confederacy | Garland, J. L. | Article in Journal | | 1952 |
| Irish soldiers of the old regime in Canada | Guerin, Thomas | Article in Journal | | 1954 |
| Irish soldiers stationed on the coast of Coromandel in India on 31st December 1766 | De Breffny, Brian | Article in Journal | | 1984 |
| Irish swordsmen of France. With a foreword by Rev. Patrick Browne | Hayes, Richard Francis | Monograph or Collective Volume | | 1934 |
| Irish troops in Indo-China in 1789 | Dillon, Henri | Article in Journal | | 1954 |
| Irish troops in the service of Robert the Bruce | Dowds, T.J. | Article in Journal | | 2014 |
| Irish voices from the Great War | Dungan, Myles | Monograph or Collective Volume | Irish Academic Press | 1995 |
| Irish volunteer and militia corps in Australia | Wilcox, Craig | Article in Book | | 1995 |
| Irish volunteer glass | McLeod, C. | Monograph or Collective Volume | National Museum of Ireland | 1983 |
| Irish wheels on African soil: the Ford Armoured Car | Joye, Lar | Article in Journal | | 2010 |
| Irish women in the R.A.F. | Maguire, MollySinclair, M. | Article in Journal | | 2001 |
| Irish wrecks of the Spanish Armada | Flanagan, Laurence | Monograph or Collective Volume | Country House | 1995 |
| Irish Yeoman veterans in Leeds county, Ontario | Heueston, John | Article in Journal | | 1998 |
| Irishmen in the British Service during the French Revolutionary Wars, 1793-1802 | McDonnell, Ciaran | Thesis | | 2014 |
| Irishmen in the Forty-Five | Petrie, Charles Alexander, Sir | Article in Journal | | 1956 |
| Irishmen in the naval services of continental Europe | Hayes, Richard Francis | Article in Journal | | 1952 |
| Irishmen in the seven years' war | Hayes, Richard Francis | Article in Journal | | 1943 |
| Irishmen in the Stuart navy, 1660-90 | McDonnell, Hector | Article in Journal | | 1985 |
| Is Northern Ireland Britain's Algeria? | Wright, Frank | Article in Journal | | 1991 |
| Isaac W. Usher, father and son | O'Connor, Anne | Article in Journal | | 2020 |
| It should have been over by Christmas. Some couinty Armagh men in the 1st Battalion Royal Irish Fusiliers - Part Two | Moreno, Amanda | Article in Journal | | 2008 |
| It will be over by Christmas | Bradley, Iain | Article in Journal | | 2015 |
| It's a long way to Gallipoli | Hajba, Anna-Maria | Article in Journal | | 2015 |
| J. Johnston Abraham - a remarkable man | McAlister, Jacqueline | Article in Journal | | 2008 |
| Jack Carrothers; a soldier of the Great War | McCusker, Breege | Article in Journal | | 1991 |
| Jack of all trades : the story of my life | Edgeworth, Kenneth | Monograph or Collective Volume | Figgis | 1965 |
| Jack Williams : son of Tullamore, an Irish artillery officer in the first world war | Fennell, Frank | Article in Journal | | 2005 |
| Jacobite artillery, 1689-91 | Murtagh, Harman | Article in Journal | | 2003 |
| James Connolly's doctor | Hickey, Nora M. | Article in Journal | | 2022 |
| James Haggerty of Tir Chonaill : Irish patriot-American hero | McLaughlin, James H. | Monograph or Collective Volume | County Donegal Association | 1992 |
| James Hingston Tuckey, 1776-1816 | Forde, Robert | Article in Journal | | 1990 |
| James McGuire and his forfeited V.C. | Doherty, Richard | Article in Journal | | 2019 |
| Jim never forgot Kilmore Quay | White, Seán | Article in Journal | | 2008 |
| John "Mac" Kelly - 100 years old. John Mac Kelly and the Black and Tans | Kelly, John "Mac" | Article in Journal | | 2002 |
| John Ardagh (1840-1907): The Irish intelligence scapegoat for Britain's Anglo-Boer war debacles | McCracken, Donal P. | Article in Journal | | 2013 |
| John Barry - the father of the American navy | O'Kane, Frances | Article in Journal | | 1955 |
| John Barry : the forgotten American hero | Browne, Bernard | Article in Journal | | 1994 |
| John Company's Limerick soldiers | Hodkinson, Brian | Article in Book | Four Courts Press | 2024 |
| John Condon | Roper, M. | Article in Journal | | 2001 |
| John Edward Confrey - one man's story in World War II | McGuirk, Tony | Article in Journal | | 2008 |
| John Edward Stokes, gunboat diplomat | Jones, Laurence | Article in Journal | | 2019 |
| John King - Moy explorer | Kane, JamesSmith, Ivor | Article in Journal | | 2011 |
| John Lawrence, 1st baron Lawrence (1811-1879) | Hill, Barbara | Article in Journal | | 2010 |
| John Mitchel's Confederate army sons | Higgins, M.A. | Article in Journal | | 2010 |
| John Molony, High Constable of Tulla barony, and the killing of civilians by the military between Bodyke and Tuamgraney in 1817 | Moloney, Denis | Article in Journal | | 2009 |
| John O'Keeffe and the Fenian Brotherhood in the American West and Midwest, 1866-1890 | Donlon, Regina | Article in Journal | | 2017 |
| John Perkins and his circle in Plantation Dungannon | GIllespie, Raymond | Article in Journal | | 2017 |
| John Redmond and Irish Catholic loyalism | McConnel, James | Article in Journal | | 2010 |
| John Redmond's Woodenbridge speech | Connell, Joseph E.A., Jr | Article in Journal | | 2014 |
| John Rupert Frederick Lecky. Aviation pioneer and casualty of the Great War | O'Donoven, John | Article in Journal | | 2018 |
| John Tennent 1777-1813, United Irishman and Chevalier de la Légion d'Honneur | Black, Eileen | Article in Journal | | 1977 |
| John White's journal of service | McSparran, Malachy | Article in Journal | | 1987 |
| Joseph Mansfield - "Armed with drumsticks and courage" | Phelan, Patrricia Mansfield | Article in Journal | | 2015 |
| Joseph Parrott of Rathcoffey (1781-1834). A Kildare '98 rebel in the service of France | Dunne-Lynch, Nicholas | Article in Journal | | 2015 |
| Journey's end : the fight for the Ulster division's forward zone, 21st March 1918 | Perry, Nicholas | Article in Journal | | 2004 |
| Jutland centenary | Anderson, Robert
| Article in Journal | | 2016 |
| Kern and galloglass | O'Connell, J. J. | Article in Journal | | 1943 |
| Kerry landing : (August 1922) : ( an episode of the civil war) | Harrington, Niall C. | Monograph or Collective Volume | Anvil Books | 1992 |
| KFOR, 1999-2010 | Bourke, Wesley | Article in Journal | | 2010 |
| Kildare : saints, soldiers and horses | Costello, Con | Monograph or Collective Volume | Leinster Leader | 1991 |
| Kildare : The home of artillery | McLoughlin, Mark | Article in Journal | | 2014 |
| Kilkenny colonels and their regiments in the Jacobite war, 1689-91 | Murtagh, Harman | Article in Journal | | 1993 |
| Kilkenny men interned in Ballykinlar, Co. Down, December 1920-21 | Murphy, Orla | Article in Journal | | 2021 |
| Kilkenny townsmen in Ormond service, 1515–1614 | Edwards, David | Article in Book | | 2023 |
| Killing zone | McCallion, Harry | Monograph or Collective Volume | Bloomsbury | 1995 |
| Killings of local security forces in Northern Ireland 1969–1981 | Murray Russell | Article in Journal | | 1983 |
| Kilrush, Co. Clare and the Royal Munster Fusiliers : the experience of an Irish town in the first world war | Staunton, Martin | Article in Journal | | 1986 |
| Kilworth and Moore Park British army camps : from 1896 to 1922 | | Monograph or Collective Volume | Strawhall Press | 2004 |
| Kilworth and Moore Park, British Army camps | Jordan, Kieran | Article in Journal | | 2007 |
| King Henry VIII's Irish army list | Blake, Butler T. | Article in Journal | | 1937 |
| King John’s expedition to Ireland, 1210 : the evidence reconsidered | Duffy, Seán | Article in Journal | | 1996 |
| Kingstown and the American Civil War | Lowth, Cormac F. | Article in Journal | | 2013 |
| Kipling and the Irish soldier in India | Murphy, J. J. W. | Article in Journal | | 1970 |
| Kish Bank disaster - 1st September 1875 | Lécane, Philip | Article in Journal | | 1995 |
| Kitchener's army : a company of the Royal Dublin Fusiliers | Phillips, W. E. A., 1936-2003 | Article in Journal | | 1968 |
| Knight service in Ireland | Otway-Ruthven, Annette Jocelyn, 1909-1989 | Article in Journal | | 1959 |
| Knights' fees in Kildare, Leix, and Offaly | Otway-Ruthven, Annette Jocelyn, 1909-1989 | Article in Journal | | 1961 |
| L'armée en Angleterre depuis la conquête de la Grande-Bretagne par les Anglo-Saxons jusqu'à la fin du règne de Henry III, 1273 | Lot, Ferdinand | Article in Book | | 1946 |
| La expedición francesa a la bahía de Bantry, Irlanda, 1796 | Bartlett, Thomas | Article in Book | | 2008 |
| Labour, Northern Ireland and the decision to send in the troops | Rose, Peter | Article in Book | | 1996 |
| Lamentable intelligence from the Admiralty : [the sinking of HMS Vanguard in 1875] | Thomas, Chris | Monograph or Collective Volume | Nonsuch | 2006 |
| Landfall Ireland : the story of allied and German aircraft which came down in Éire in WWII | MacCarron, Donal | Monograph or Collective Volume | Colourpoint Books | 2003 |
| Landlordism in King's county in the mid-nineteenth century | Breen, Grainne C. | Article in Book | | 1998 |
| LDF Colours | Brady, TonyFlynn, Bernard | Article in Journal | | 2011 |
| LÉ Aoife : 30 years at sea | Anonymous | Article in Journal | | 2010 |
| Lebanon, 1978-2001 | anonymous | Article in Journal | | 2001 |
| Leibniz and the Jacobite war : reports and reflections on the Battle of the Boyne and events in Ireland, 1689-91 | O'Hara, James G. | Article in Journal | | 1991 |
| Les Irlandais et La France | O'Loghlen, John | Article in Journal | | 2013 |
| Letter from a Mallow father to his daughter, 1920 | Anonymous | Article in Journal | | 2006 |
| Letter from the Boer War, 1901 | Jeffery, JohnLucey, John | Article in Journal | | 2019 |
| Letters from Fontenoy | Walsh, Micheline Kerney | Article in Journal | | 1995 |
| Letters from Niemba: Irish troops in the Congo, 1960 | Pierce, Siobhán | Article in Journal | | 2010 |
| Letters of General Lake, 1798 | McPeake, B. Y. | Article in Journal | | 1953 |
| Lieut. Walter P. Pollock Hamilton : a V.C from Inistioge | Anonymous | Article in Journal | | 1973 |
| Lieutant-General Robert Dillon 1754-1831 | Van Brock, F. W. | Article in Journal | | 1980 |
| Lieutenant Ernest James Vernon Thornton RN 1890-1912 : a Waterford-born submariner | Kinsella, Anthony | Article in Journal | | 2013 |
| Lieutenant Martin Fitzgerald MC (1917-1945) | O'Connor, Clive | Article in Journal | | 2023 |
| Lieutenant-Colonel Joseph Hume Dudgeon, Burton Hall: Soldier and horseman | Sobolewski, Peter | Article in Journal | | 2023 |
| Lieutenant-General Ricardo Wall (1694-1778) | Walsh, Micheline | Article in Journal | | 1955 |
| Lieutenant-General Robert Dillon, 1754-1831 | Van Brock, F. W. | Article in Journal | | 1980 |
| Life of an Irish soldier | Godley, Alexander, Sir | Monograph or Collective Volume | John Murray | 1939 |
| Life, liberty and security of person : a soldier's view | Earley, Dermot | Article in Journal | | 2009 |
| Limerick during the Emergency | Ó Gríofa, Ciarán | Article in Book | | 1997 |
| List of county Waterford soldiers who died in World War 1 | Alridge, Ann | Article in Journal | | 2000 |
| List of county Waterford soldiers who died in World War 1 | | Article in Journal | | 1999 |
| Living standards in Ireland and Britain, 1800-1850 : the East India Company army data | Mokyr, JoelÓ Gráda, Cormac | Monograph or Collective Volume | University College Dublin Department of Political Economy | 1986 |
| Local heroes | Cantwell, Ian | Article in Journal | | 1996 |
| Logistics and supply in Cromwell's conquest of Ireland | Wheeler, James Scott | Article in Book | | 1991 |
| Loingeas Bhéal Feirste sa naoú haois déag | Ó Bléine, Séamus | Article in Journal | | 1996 |
| Londonderry air | Martineau, G. D. | Article in Journal | | 1941 |
| Londonderry beseiged [sic] by General Hamilton and Conrard [sic] de Rosen, Mareschall Generall of all the Irish forces, 1689 | Maculloch, Archibald, Capt. | Monograph or Collective Volume | | 1689 |
| Loose threads and sharp edges : Kingstown's World War I dead (part 4) : the Royal Dublin Fusiliers - 6th (services) battalion | Lécane, Philip | Article in Journal | | 1997 |
| Lost in France : the experience and memory of Ireland's soldiers who fought and died in France during the Great War 1914-1918 | Quinn, Thomas | Article in Book | | 2004 |
| Loughlinstown camp | Murray, Kevin | Article in Journal | | 1945 |
| Loughshinny seamen: an account of the seafaring community of Loughshinny, 1800-1955 | Butler, Cepta | Article in Journal | | 2011 |
| Louis Sherlock in Rome, 1797 | Van Brock, F. W. | Article in Journal | | 1985 |
| Louth regiments in the Irish Jacobite army | Murtagh, Diarmuid | Article in Journal | | 1953 |
| Low intensity operations : subversion, insurgency, peacekeeping | Kitson, Frank | Monograph or Collective Volume | Faber | 1971 |
| Lt Col Blair 'Paddy' Mayne, 1 SAS Regiment | Ross, Hamish | Monograph or Collective Volume | Sutton | 2003 |
| Lt Edward Hepenstall - the walking gallows. Parts 1-2 | O'Reilly, Vincent | Article in Journal | | 1996 |
| Lt John C. Driver : a soldier's story | McGarrigle, Paddy | Article in Journal | | 1999 |
| Luftwaffe eagles over Ireland : the story of German air crashes over neutral Ireland, 1940-1945 | Cummins, PaddyHorgan, Justin | Monograph or Collective Volume | Horgan Press | 2016 |
| Luftwaffe operations and neutral Ireland, Autumn, 1940 | Kearns, A. P. | Article in Journal | | 1984 |
| Lugard's legacy: the building of the Curragh camp | Dolan, Mick | Article in Journal | | 2009 |
| Luíochán Chill Miodhna | Ó Cillin, Tomás | Article in Journal | | 1982 |
| Luke O'Connor : the first soldier to win the V.C. | Smith, Des | Article in Journal | | 1998 |
| Lurgan 1914 | McCorry, Jim | Article in Journal | | 2015 |
| M 30: a Harland and Wolff 'monitor' at Gallipoli and on the Smyrna patrol | Kinsella, Anthony | Article in Journal | | 2014 |
| MacBride's Brigade : Irish commandoes in the Anglo-Boer War | McCracken, Donal P. | Monograph or Collective Volume | Four Courts Press | 1999 |
| MacNamara's Band: the physicians of the Irish-American Ambulance Corps during the Anglo-Boer War, 1899-1902 | Wynn, Dennis J. | Article in Journal | | 2013 |
| MacNamara's Band: the physicians of the Irish-American Ambulance Corps during the Anglo-Boer War, 1899-1902 | Wynn, Dennis J. | Article in Journal | | 2013 |
| Magennis VC : the story of Northern Ireland's only winner of the Victoria Cross | Fleming, George | Monograph or Collective Volume | History Ireland | 1998 |
| Major Arthur Joseph William Fitzmaurice | Taylor, James | Article in Journal | | 1999 |
| Major Benjamin Walker Nicholson - veteran of the Battle of Waterloo 1780-1858 | Scudds, Colin | Article in Journal | | 2018 |
| Major Charles George Fairfield of Loyal Mount Eagle Lodge, Brosna, County Kerry | Roche, Tom | Article in Journal | | 2019 |
| Major Denis J. Coulson, Stillorgan: Soldier and Sportsman | Sobolewski, Peter | Article in Journal | | 2024 |
| Major General James Lillis, born Tullow, Co. Carlow | Lynch, Martin | Article in Journal | | 1998 |
| Major General Oliver Harty in Brittany 1799-1800 | Van Brock, F. W. | Article in Journal | | 1981 |
| Major General Richard Montgomery : the making of an American hero | Gabriel, Michael P. | Monograph or Collective Volume | Farleigh Dickinson University | 2002 |
| Major General Sir Charles James Napier : Irishman, chartist and commander of the northern district of England 1839-41 | Palmer, Stanley H. | Article in Journal | | 1982 |
| Major Robert Gregory and the Irish air aces of 1917-18 | Smith, Adrian | Article in Journal | | 2001 |
| Major Thomas Adair, V.C. | Butler, Hew | Article in Journal | | 2007 |
| Major Thomas J. Crean V.C., D.S.O. (1873-1923) | Moorhead, Patricia | Article in Journal | | 1997 |
| Major Tom O'Connor | Fitzgerald, Edward | Article in Journal | | 2001 |
| Major-General Sir Denis Pack (1775-1823). Transcription of the legend on the mural tablet erected to his memory in Kilkenny Cathedral | | Article in Journal | | 2013 |
| Major-General Sir Ralph Ouseley (1772-1842), of the Portuguese service, and his family tomb | Ferguson, Kenneth | Article in Journal | | 2019 |
| Major-General William Jasper McSweeney: founder and first G.O.C. of the Irish Air Corps | McCarthy, Patrick | Article in Journal | | 2023 |
| Mallow Presbyterians and ther First World War | Faris, John | Article in Journal | | 2014 |
| Mallow's colourful admiral | Twomey, Dermot | Article in Journal | | 2008 |
| Manoeuvres | Millar, Stewart | Article in Journal | | 2008 |
| Mapping 'the Frenchman' in Bantry Bay : La Surveillante revisited | Breen, Colin | Article in Journal | | 1998 |
| Mapping and measuring the impact of the Bruce invasion | Chevallier, Chris | Article in Journal | | 2019 |
| March into Meath : in the footsteps of 1798 | Doyle, Eamon | Monograph or Collective Volume | History Press Ireland | 2011 |
| Marching with the tigers : the history of the Royal Leicestershire Regiment, 1955-1975 | Goldschmidt, Michael | Monograph or Collective Volume | Pen & Sword Military | 2009 |
| Marginal but not alienated : confessions of a loudmouthed Irish priest | Greeley, Andrew M. | Article in Journal | | 1974 |
| Marian Tobin (1872-1955): the influences that shaped a War of Independence heroine and Tipperary's first woman County Councillor | Condon, Annette | Article in Journal | | 2024 |
| Maritime records in Cork Archives Institute | McCarthy, Patricia | Article in Journal | | 1992 |
| Marlborough (McKee) barracks, 1888-1892 | MacNeil, Olaf | Article in Journal | | 1965 |
| Marlborough, his life and times. Books 1-2. | Churchill, Winston Leonard Spencer, Sir, 1874-1965 | Monograph or Collective Volume | | 1947 |
| Marr - the surname, not married bliss | Wilkins, David | Article in Journal | | 2002 |
| Marshal Saxe | O'Carroll, Donal | Article in Journal | | 1995 |
| Martin Doyle, V.C. | Murphy, Hilary | Article in Journal | | 1994 |
| Massacre at Sixmilebridge 1852 | Haugh, Dominic | Article in Journal | | 2011 |
| Massacres d'Irlande : 1649, 1798 | Crouzet, François | Article in Book | | 1994 |
| Master Sergeant Dennis Kavanagh (1867-1965), 8th U.S. Cavalry | Hodson, Tom | Article in Journal | | 2012 |
| Matters military | Connaughton, JoeO'Hora, Pat | Article in Journal | | 2011 |
| Maurice Kavanagh warrant drawn 18th 1799 | Clarke, Tom | Article in Journal | | 1997 |
| Maurice Kyffin's advice on training infantry in Ireland, October 1597 | O'Neill, James | Article in Journal | | 2018 |
| Maurice Talbot-Crosbie of Ardfert Abbey, British Army, Irish Volunteers, Election 1918 | Keane, Michael Christopher | Article in Journal | | 2024 |
| Me and the Black and Tans | Guiry, Ned | Article in Journal | | 1983 |
| Medals for peace | Ó Domhnaill, M. S. | Article in Journal | | 2008 |
| Mediating forces and the domestic polity | Connaughton, Bernadette,Quinn, Bríd, | Article in Book | | 2009 |
| Medical recipes for military chaplains in Spanish Flanders, 1587-1660 | Hazard, Benjamin | Article in Journal | | 2016 |
| Mega, February 1941 : the role of the 1st South African Irish Regiment | Baker, O. E. F.Monick, Stanley | Article in Journal | | 1990 |
| Memoir of a royal artillery officer | Howard, Kenneth W. H.Keaney, Marian | Article in Journal | | 2005 |
| Memoir of Edward J. McLaughlin (1901-1980) | McLaughlin, Edward J., 1902-1980 | Article in Journal | | 2010 |
| Memoirs of Algernon Sydney | Meadley, G. W. | Monograph or Collective Volume | NA | 1813 |
| Memoirs of Sir Lowry Cole | Cole, Galbraith Lowry, Sir, 1772-1842Cole, Maud LowryGwynn, Stephen Lucius, 1864-1950 | Monograph or Collective Volume | Macmillan | 1934 |
| Memoirs of the past | Loughman, Charlie | Article in Journal | | 1998 |
| Memoirs of the war carried on in Scotland and Ireland MDCLXXXIX-MDCXCI. By Major General Hugh Mackay, Commander in chief of his majesty's forces. With an appendix of original papers | Hog, J. M.Tytler, P. F.Urquhart, Adam | Monograph or Collective Volume | | 1833 |
| Memorials to military and naval personnel in county Wicklow | Cantwell, Brian J. | Article in Journal | | 1982 |
| Memorias del general Daniel Florencio O'Leary. Narración | O'Leary, D. | Monograph or Collective Volume | Imprenta Nacional | 1952 |
| Memories of an Irish UN liason officer | Ó Siochrú, Pádraig | Article in Book | | 2005 |
| Memories of Noel Pim's childhood in Bandon during the civil strife of the 1920s. | Pim, Noel | Article in Journal | | 2022 |
| Memories of the Black and Tans | Kavanagh, Andy, snr. | Article in Journal | | 1992 |
| Memories of the LDF and FCA in Tomhaggard | Murphy, Hilary | Article in Journal | | 2007 |
| Men of Valour. The third volume of the history of the VIII King's Royal Irish Hussars, 1927-58. | Fitzroy, Olivia | Monograph or Collective Volume | | 1961 |
| Messines to Carrick Hill : writing home from the Great War | Burke, Tom | Monograph or Collective Volume | Mercier Press | 2017 |
| Michael Angelo Hayes and the Scots Fusilier Guards | Carman, W. Y. | Article in Journal | | 1954 |
| Michael Corcoran and the formation of his Irish legion | Garland, John | Article in Journal | | 1987 |
| Michael Egan (1895-1956): playwright and author | Kennedy, Ned | Article in Journal | | 2022 |
| Michael Morris Healy, a founding father, (1796-1850) | O'Connell, John | Article in Journal | | 1998 |
| Mickeen Cullins - Ireland's forgotton hero of Messines | Dillon, Thomas | Article in Journal | | 2017 |
| Militarism in India : the army and civil society in consensus | Kundu, Apurba | Monograph or Collective Volume | Tauris Academic | 1998 |
| Militarization and politicization in Ireland, 1780-1820 | Bartlett, Thomas | Article in Book | | 1991 |
| Military and naval aviation in Ireland, 1913 to 1922 | Conran, Phil | Article in Journal | | 1972 |
| Military archives in the defence forces | Young, Peter | Article in Journal | | 1977 |
| Military aviation in Ireland, 1921-45 | O'Malley, Michael C. | Monograph or Collective Volume | University College Dublin | 2010 |
| Military aviation in Ireland, 1921-45 | O'Malley, Michael | Thesis | | 2007 |
| Military Aviation in Northern Ireland: an illustrated history: 1913 to the present day | Warner, Guy | Monograph or Collective Volume | Colourpoint Books | 2012 |
| Military barracks Cahir, and military barracks Clogheen, Co. Tipperary | Bergin, W. J. | Article in Journal | | 1984 |
| Military barracks Dundalk : a brief history | Gavin, JosephO'Donnell, Stephen | Monograph or Collective Volume | The authors | 1999 |
| Military barracks, Dundalk | O'Donnell, P. D. | Article in Journal | | 1971 |
| Military barracks, Tipperary town | Bergin, W. J. | Article in Journal | | 1984 |
| Military force and civil authority in the United Kingdom, 1914-1921 | Townshend, Charles | Article in Journal | | 1989 |
| Military forces in Dublin in November 1922 | | Article in Journal | | 2010 |
| Military history on your doorstep | Bourke, Wesley | Article in Journal | | 2013 |
| Military law in Ireland | Craven, CiaranHumphreys, Gerard | Monograph or Collective Volume | Round Hall, Sweet & Maxwell | 1997 |
| Military memories in a box | Baxter, Colin | Article in Journal | | 2008 |
| Military memories of Ireland, 1881-1882 | Brunicardi, Niall | Article in Journal | | 1991 |
| Military operations in county Louth in the run-up to Cromwell's storming of Drogheda | O'Sullivan, Harold | Article in Journal | | 1990 |
| Military precautions in Dublin, 1803 | O'Connor, Patrick | Article in Journal | | 1943 |
| Military presence in Donegal, 1916 | Doherty, Richard | Article in Journal | | 2016 |
| Military service in medieval Ireland | MacNeill, Eoin | Article in Journal | | 1941 |
| Military service in medieval Ireland | MacNeill, Eoin | Article in Journal | | 1941 |
| Military service in the lordship of Ireland, 1290-1360 : institutions and society on the Anglo-Gaelic frontier | Frame, Robin | Article in Book | | 1989 |
| Military stations and unit locations in Ireland, September 1912 | Kinsella, Anthony | Article in Journal | | 2004 |
| Military surgeons in the sixteenth and seventeenth centuries | Stewart, David | Article in Journal | | 1948 |
| Military tattoo. Illustrated book of the military tattoo and exhibition | Anonymous | Monograph or Collective Volume | Parkside Press | 1945 |
| Milltown - where Cromwell laid waste | Meagher, Jim | Article in Journal | | 1986 |
| MINURSO | Hannon, Fergus | Article in Journal | | 2009 |
| Missing in action | Ó Ruairc, Pádraig Óg | Article in Journal | | 2012 |
| Missing in action - British servicemen secretly buried in Clare during the War of Independence | Ó Ruairc, Padraig Óg | Article in Journal | | 2012 |
| Mobilisation and expansion, 1939-40 | Parsons, Denis | Article in Journal | | 1993 |
| Modern Franco-Irish Military Connections | Hodson, Tom | Article in Journal | | 2022 |
| Montcalm's Irish soldiers, 1756-1757 | Chartrand, René | Article in Journal | | 2008 |
| Montgomery, field-marshal : an Ulster tribute | Flackes, W. D.McGill, Michael C. | Monograph or Collective Volume | Quota Press | 1946 |
| Morale in the 16th (Irish) Division, 1916-18 | Lemisko, Lynn Speer | Article in Journal | | 1997 |
| Moray, Ulster and MacWilliams | Ross, Alasdair | Article in Book | | 2007 |
| More light on the Irish in the service of Imperial Austria | Duffy, Christopher | Article in Journal | | 1983 |
| More than a 'curious footnote' : Irish voluntary participation in the First World War and British popular memory | Pennell, Catriona | Article in Book | | 2013 |
| Motorman's Long Journey : changing the strategic setting in Northern Ireland | Neumann, Peter R.Smith, M. L. R. | Article in Journal | | 2005 |
| Mountbatten : the official biography | Ziegler, Philip | Monograph or Collective Volume | Phoenix | 2001 |
| Mr Paterson's Steamer | Goggin, Brian J. | Article in Journal | | 2017 |
| Munster Fusiliers at war | Lee, DavidRyan, Desmond | Article in Book | | 1997 |
| Munster galley slaves | Ó hAnnracháin, Eoghan | Article in Journal | | 2005 |
| Murrough miscellany. Part 1.|Part 2.|Part 3. Affray on the Murrough on Regatta Monday 3rd August 1885|Part 4.|Part 5.|Part 6. Dublin and Wicklow Manure Company [Limited]|Murrough miscellany. Part 7|Murrough miscellany. Part 8. R.I.C. Constable murdered on the Murrough|Murrough miscellany. Part 9. One decent human being | O'Reilly, Vincent | Article in Journal | | 2021 |
| Music in the army | Doyle, James M. | Article in Book | | 1952 |
| Mutiny at the Curragh | Ryan, A. P. | Monograph or Collective Volume | Macmillan | 1956 |
| Mutiny in Bantry Bay, 1799 | Jones, E. H. S. | Article in Journal | | 1951 |
| Mutiny in the British and Commonwealth Forces, 1797-1956 | James, Lawrence Edwin | Monograph or Collective Volume | Buchan and Enright | 1987 |
| Mutiny or subversion : Spithead and the Nore | Rodger, N. A. M., 1949- | Article in Book | | 2003 |
| My Father - The War Profiteer! (Well, not really) | Grogan, Mary
| Article in Journal | | 2019 |
| My first trip to the seaside | Alvey, John | Article in Journal | | 2019 |
| My grandfather's military service records - War of Independence period | Maher, Noreen | Article in Journal | | 2012 |
| My granduncles answered the call to arms | Hogan, Muriel | Article in Journal | | 2015 |
| My Lourdes Memoir: A Lourdes Memoir Covering Over 50 Years of Pilgrimage with Civil Defence and Irish Defence Forces on the Annual PMI Pilgrimage to Lourdes, and Also with the Dublin and Meath Diocesan Pilgrimages | Ó Ciardhbháin, Mártín | Monograph or Collective Volume | Eprint | 2020 |
| My naval life, 1886-1941 | Boyle, W. H. D., Earl of Cork and Orrery | Monograph or Collective Volume | | 1942 |
| My service life, 1939-1979 : William 'Bill' Balmer | Gamble, Ronnie | Monograph or Collective Volume | Causeway Museum Service | 2009 |
| My time in the Congo | Fitzpatrick, Joseph | Monograph or Collective Volume | The author | 2003 |
| Myles Walter Keogh (1840-1876) | Kehoe, Imelda | Article in Journal | | 1992 |
| Mystery site in Co. Dublin|Laughanstown's army kitchen | Clancy, PadraigMcQuade, Melanie | Article in Journal | | 2005 |
| Na Fianna Éireann, senior corps of the old army | MacNeill, Hugh | Article in Journal | | 1944 |
| Napoleon's Irish Legion | McGarry, Stephen | Article in Journal | | 2014 |
| Nationalism in County Kildare: its effect on recruitment into the British Army during the First World War | Walsh, Shane | Article in Journal | | 2015 |
| Nationalism, empire and memory: the Connaught Rangers mutiny, June 1920 | Silvestri, Michael | Article in Journal | | 2010 |
| Nationalist Belfast and the Great War...Belfast's forgotton soldiers | Mercer, Eric | Article in Journal | | 2000 |
| Nationality in the Irish infantry regiments in the first world war | Perry, Nicholas | Article in Journal | | 1994 |
| Native Irish dress of the Irish foot soldiers of O'Neill's Ulster army | Clive Hollick | Article in Journal | | 2015 |
| Naval burying ground at Ireland Island | Rowlands, E. | Article in Journal | | 1949 |
| Naval operations | Capp, Bernard Stuart | Article in Book | | 1998 |
| Neutral shores : Ireland and the Battle of the Atlantic | McShane, Mark | Monograph or Collective Volume | Mercier | 2012 |
| Never were men so brave : the Irish Brigade during the Civil War | Beller, Susan Provost | Monograph or Collective Volume | Margaret K. McElderry Books | 1998 |
| New departure for Ireland in UN peacekeeping : evolution or invention | Murphy, R. | Article in Journal | | 1994 |
| New forces for positive change in Ireland | McDonagh, Enda | Article in Book | | 1993 |
| Niemba | Bunworth, Richard | Article in Journal | | 1995 |
| Niemba peacekeepers remembered | Fitzgerald, Wayne | Article in Journal | | 2013 |
| Niemba remembered : ONE commemoration | Bourke, Wesley | Article in Journal | | 2010 |
| Nigel Pelly | Pelly, Christopher | Article in Journal | | 2004 |
| Night of terror in Mountcharles | Meehan, Helen | Article in Journal | | 2022 |
| No affair before us of greater concern : the war at sea in Ireland, 1641-1649 | Murphy, Elaine | Thesis | | 2007 |
| Nobles, gentlemen and the profession of arms in Restoration Britain, 1660-1688 : a biographical dictionary of British army officers on foreign service | Childs, John, 1949- | Monograph or Collective Volume | Society for Army Historical Research | 1987 |
| Nobody's children | Burke, Tom | Article in Journal | | 2005 |
| Non-lethal weapons : peace enablers or troublesome force? assessing the role of CS and baton rounds in the Northern Ireland conflict | Orbons, Sjef | Article in Journal | | 2011 |
| Northern Ireland (1970-2000) | Crofton, Edward | Article in Book | | 2000 |
| Northern Ireland 1921-1994 : political forces and social classes | Bew, PaulGibbon, PeterPatterson, Henry | Monograph or Collective Volume | Serif | 1995 |
| Northern Ireland and the British Approach to Counter-Insurgency | Tuck, Christopher | Article in Journal | | 2007 |
| Northern Ireland scrapbook | Chartres, JohnDewar, MichaelHenshaw, Bert | Monograph or Collective Volume | Arms and Armour | 1986 |
| Northern Ireland, 1921-2001 : political forces and social classes | Bew, PaulGibbon, PeterPatterson, Henry | Monograph or Collective Volume | Serif | 2002 |
| Northern Irish regiments in the Great War : culture, mythology, politics and national identity | Hughes, Gavin | Thesis | | |
| Note. Billeting allowances and forage rations, 1859 | Kinsella, Anthony | Article in Journal | | 2006 |
| Note. British army casualties in the Easter 1916 Rising | Kinsella, Anthony | Article in Journal | | 2006 |
| Notes on the Co. Louth volunteers, 1782 | Dolan, J. T. | Article in Journal | | 1940 |
| Notes on the formation of the Irish regiments in the service of Spain in the eighteenth century | Valentine, Emmanuel Patrick | Monograph or Collective Volume | [s.n.] | 1939 |
| Notes on the history of Haulbowline | Brunicardi, D. N. P. | Article in Journal | | 1965 |
| Notes on the Volunteers, militia, Orangemen and yeomanry of County Roscommon | Snoddy, Oliver | Article in Journal | | 1975 |
| Notes on the Volunteers, militia, yeomanry and fencibles of Kerry | Ó Snodaigh, Pádraig | Article in Journal | | 1971 |
| Notes on the Volunteers, militia, yeomanry and Orangemen of County Cavan | Snoddy, Oliver | Article in Journal | | 1968 |
| Notes on the volunteers, militia, yeomanry and Orangemen of county Longford | Ó Snodaigh, Pádraig | Article in Journal | | 1983 |
| Notes on the Volunteers, militia, yeomanry and Orangemen of County Waterford | Snoddy, Oliver | Article in Journal | | 1975 |
| Notes on the Volunteers, militia, yeomanry, and Orangemen of Co. Meath | Snoddy, Oliver | Article in Journal | | 1978 |
| Notes on the Volunteers, militia, yeomanry, and Orangemen of County Monaghan | Ó Snodaigh, Pádraig | Article in Journal | | 1977 |
| Notes on the Volunteers, militia, yeomanry, Orangemen and fencibles in County Limerick | Snoddy, Oliver | Article in Journal | | 1971 |
| Notes on the Yeomanry of Tyrone | Ó Snodaigh, Pádraig | Article in Journal | | 1988 |
| Notes on volunteers, Militia, Yeomanry and Orangemen | Ó Snodaigh, Pádraig | Article in Journal | | 1983 |
| Notes on Volunteers, militia, yeomen and Orangemen of Co. Donegal | Snoddy, Oliver | Article in Journal | | 1969 |
| Notes. 'Enniscorthy Emily' and an armoured train | Kinsella, Anthony | Article in Journal | | 2018 |
| Notes. 'Purified by Prussian discipline' | Ferguson, Kenneth | Article in Journal | | 2016 |
| Notes. A footnote to Tom Burke's article 'Fancy the Royal Irish captured Moore Street | Moloney, Tadhg | Article in Journal | | 2013 |
| Notes. A naval echo of 1801 | Nelson, Ivan | Article in Journal | | 2005 |
| Notes. Coal for the Curragh. Removal under military escort | Kinsella, Anthony | Article in Journal | | 2013 |
| Notes. Contemporary accounts of military operations in Dublin in 1916, published in the magazine 'Irish Life'. | Kinsella, Anthony | Article in Journal | | 2018 |
| Notes. Ethnic composition of the Royal Army in Ireland, March 1598 | Edwards, David, 1963- | Article in Journal | | 2012 |
| Notes. Francis Rawdon, Earl of Moira (1754-1826) | Ferguson, Kenneth | Article in Journal | | 2015 |
| Notes. George Henry Chandler (1886-1918), Canadian Expeditionary Force | Thompson, F. Glenn | Article in Journal | | 2014 |
| Notes. Legal aspects of active service in Ireland 1920 | Kinsella, Anthony | Article in Journal | | 2020 |
| Notes. Lieut.-Colonel [Samuel] Ernest Sydney FitzSimon M.B.E. (Mil.), S.C. (b. 6 Feb.1892; d. 25 Dec. 1974) | Ferguson, Kenneth | Article in Journal | | 2022 |
| Notes. Lieutenant Desmond Lucius Arthur 1884-1913.The first Irish-born Royal Flying Corps officer casualty | Kinsella, Anthony | Article in Journal | | 2013 |
| Notes. Major-General Robert Blackham (1868-1951) of the Royal Army Medical Corps | Ferguson, Kenneth | Article in Journal | | 2019 |
| Notes. Monument to Colonel Hugo Beatty at Lagos, Portugal | Geerinck, An | Article in Journal | | 2015 |
| Notes. Move of the Headquarters of Irish Command from Kilmainham to Parkgate, 1913 | | Article in Journal | | 2013 |
| Notes. Naval and Military Aspects of the Royal Visit, 1911 | Kinsella, Anthony | Article in Journal | | 2023 |
| Notes. Naval reports from the 'Ennis Chronicle' 1814 | Kerrigan, Paul H. | Article in Journal | | 2005 |
| Notes. Return of the South Cork Militia: Skibbereen Brass Band refuses to turn out | Kinsella, Anthony | Article in Journal | | 2009 |
| Notes. Serious military disturbances in Athlone [1902]; | Kinsella, Anthony | Article in Journal | | 2009 |
| Notes. Sir Walter Raleigh on the consequence of the acquisition by the Irish of better weapons, 1603 | Ralegh, Walter, Sir, 1554?-1618 | Article in Journal | | 2012 |
| Notes. Stephen Gwynn's proposal to delay the disbandment of the Irish Regiments | Kinsella, Anthony | Article in Journal | | 2022 |
| Notes. The Court Martial of Peter O'Keefe at Cork for buying army rifles, January 1917 | Kinsella, Anthony | Article in Journal | | 2019 |
| Notes. The Rathangan Yeomanry | Thompson, F. Glenn | Article in Journal | | 2014 |
| Notes. The Shannon Manoeuvres, August 1905 | Kinsella, Anthony | Article in Journal | | 2023 |
| Notes. The Wesleyan Chapel at the Curragh, 1860 | Ferguson, Kenneth | Article in Journal | | 2021 |
| Notes. Unfit for duty at Pekin in November 1862: 'Old Jerry the piper' | Donnelly, Sean | Article in Journal | | 2009 |
| Notes. [Review] The 18th (Royal Irish) in Colonial America | Ferguson, Kenneth | Article in Journal | | 2015 |
| Notes.Orders to be observed by the troops serving in the Garrison of Dublin, 1864 | Kinsella, Anthony | Article in Journal | | 2019 |
| Notes.The observance of Armistice Day in Dublin 1919. 'The eleventh hour of the eleventh day of the eleventh month' | Ferguson, Kenneth | Article in Journal | | 2019 |
| Nova Scotia Irish companies | Garland, J. L. | Article in Journal | | 1953 |
| O'Connell and the Spanish civil war 1834-39 | O'Connell, Maurice | Article in Book | | 1992 |
| O'Reilly W966 Cheshire Regiment | Walsh, J.L. | Article in Journal | | 2016 |
| Obituary : Brigadier General Patrick D. Hogan | O'C, D. | Article in Journal | | 2004 |
| Obituary. John de Courcy Ireland | Devine, Francis | Article in Journal | | 2006 |
| Observe a son of Munster marching towards the Somme | O'Grady, Thomas F. | Article in Journal | | 2016 |
| Officering Kitchener's Armies : A Case Study of the 36th (Ulster) Division | Bowman, Timothy | Article in Journal | | 2009 |
| Officers of the Kildare militia, 1794-1817 | Groves, T. | Article in Journal | | 1939 |
| Officers of the militia, the gentlemen and yeomen cavalry and volunteer infantry of the U.K. with index | Anonymous | Article in Journal | | 2001 |
| Officials from the Vandeleur evictions | O'Shaughnessy, Ed | Article in Journal | | 2018 |
| Óglach na Rosann : Niall Pluincéad Ó Baoighill | Ó Baoighill, Pádraig | Monograph or Collective Volume | Coiscéim | 1994 |
| Oh, brother! From RAF to Franciscan brother | McLaughlin, Terry | Article in Journal | | 2006 |
| Old glory at Queenstown : American maritime activity in the Queenstown era 1800-1922 | Barry, J. M. | Monograph or Collective Volume | Sidney | 1999 |
| Old Ireland lent this champion to the Australian Imperial Force | Reid, Richard | Article in Journal | | 1993 |
| Old Ironsides : the military biography of Oliver Cromwell | Kitson, Frank | Monograph or Collective Volume | Weidenfeld and Nicolson | 2004 |
| Old man of the sea | Sheehy, David | Article in Journal | | 1997 |
| Oliver Cromwell : an illustrated history | Litton, Helen | Monograph or Collective Volume | Wolfhound Press | 2000 |
| Oliver Cromwell : zur Geschichte eines schliesslichen Helden | Metz, Karl Heinz | Monograph or Collective Volume | Muster-Schmidt | 1993 |
| Oliver Cromwell and his times | Young, Peter, 1915-1988 | Monograph or Collective Volume | | 1962 |
| Oliver Nugent and the Ulster Division on 1 July 1916 | Perry, Nicholas | Article in Journal | | 2017 |
| On exhibit | Forde, Frank | Article in Journal | | 2009 |
| On exhibit | Murphy, David | Article in Journal | | 2009 |
| On exhibit | Whelan, Michael | Article in Journal | | 2009 |
| On exhibit | Milner, K. | Article in Journal | | 2009 |
| On exhibit | Prendergast, Gareth | Article in Journal | | 2009 |
| On Exhibit | Gibson, William H. | Article in Journal | | 2008 |
| On exhibit: Irish soldiers in the British Army during World War I | Howard, Bernie | Article in Journal | | 2008 |
| On the ball | Nagle, David | Article in Journal | | 2009 |
| One of the Dillon 'Wild Geese' in Belgium | Lane, Pádraig G. | Article in Journal | | 2001 |
| One of the first recipients of the V.C. | Evans, John | Article in Journal | | 1990 |
| ONUC the Congo | Anonymous | Article in Journal | | 1995 |
| Operation Banner : the British Army in Northern Ireland, 1969-2007 | Bijl, Nick van der | Monograph or Collective Volume | Pen & Sword | 2017 |
| Ophthalmia in the army in Ireland | Kinsella, A. | Article in Journal | | 1998 |
| Oral archives : a future source for the maritime historian | Donnelly, Brian | Article in Journal | | 1992 |
| Orange, green, and khaki : the story of the Irish regiments in the Great War, 1914-1918 | Johnstone, Tom | Monograph or Collective Volume | Gill & Macmillan | 1992 |
| Organisation and development of the pro-Treaty forces, 1922-1924 | Long, Patrick | Article in Journal | | 1997 |
| Origins, scope and content of the collection | Brennan, Patrick | Article in Book | | 2012 |
| Our first adjutant-general : Lieutenant-General Gearoid O'Sullivan | Lynch, Fionan | Article in Journal | | 1948 |
| Our laurels are green : a brief history of the Royal Gloucestershire, Berkshire and Wiltshire Regiment | Grist, Robin | Monograph or Collective Volume | Forces & Corporate | 1997 |
| Our men in Mauritius: Lowry Cole and Pope Hennessy | Morgan, Hiram | Article in Journal | | 2015 |
| Outline history of the Royal Irish Fusiliers (Princess Victoria's) | Anonymous | Monograph or Collective Volume | | 1948 |
| Overhead and over here : the story of American military aviation in Northern Ireland during the Second World War | Cromie, Ernie | Monograph or Collective Volume | Nothern Ireland War Memorial | 2017 |
| Para! : fifty years of the Parachute Regiment | Harclerode, Peter | Monograph or Collective Volume | Arms and Armour | 1992 |
| Pariah dogs : deserters from the Irish Defence Forces who joined the British Armed Forces during "The Emergency" | Canny, Liam | Article in Journal | | 1999 |
| Part of the roll of the 1st Carlow cavalry from December 1796 - January 1797 and part from December 1797 - May 1798, MS no.8229, manuscript section, National Library, Dublin | Clarke, Tom | Article in Journal | | 1997 |
| Passing through : the 82nd Airborne Division in Northern Ireland, 1943-44 | McCann, John P. | Monograph or Collective Volume | Colourpoint Books | 2005 |
| Patience Singleton, bride of Colonel Ô Moran | Ó hAnnracháin, Eoghan | Article in Journal | | 2016 |
| Patricio Lynch : marino y gobernante | Larena Quijada, Victor | Article in Journal | | 1995 |
| Patrick MacGill (the navvy poet) | Farren, Aidan | Article in Journal | | 1984 |
| Patrick Sarsfield and the Williamite war | Wauchope, Piers | Monograph or Collective Volume | Irish Academic Press | 1992 |
| Patrick Sarsfield, part 1 | McCarthy, Michael | Article in Journal | | 1990 |
| Peace-keeping in a democratic society : the lessons of Northern Ireland | Evelegh, Robin | Monograph or Collective Volume | Hurst | 1978 |
| Peacekeepers : Irish soldiers in the Lebanon | Harvey, Dan | Monograph or Collective Volume | Merlin | 2001 |
| Peadar Cowan (1903-62): the life and times of a radicak politician | Hunt, Tom | Article in Journal | | 2023 |
| Pearse's letter to a Donegal mother | Begley, Anthony | Article in Journal | | 2016 |
| Penn's attempt to relieve Youghal, 1645 | Powell, J. R. | Article in Journal | | 1954 |
| Penn's expedition to Bonratty in 1646 | Powell, J. R. | Article in Journal | | 1954 |
| Pestilence in the Irish Wars : the earlier phase | Logan, Patrick | Article in Journal | | 1966 |
| Peter Lacy, 'the Prince Eugene of Muscovy' | Ó Ciardha, Éamonn | Article in Journal | | 2014 |
| Phoenix : policing the shadows | Holland, JackPhoenix, Susan | Monograph or Collective Volume | Hodder and Stoughton | 1996 |
| Picnic in purgatory | Maguire, Jonathan | Monograph or Collective Volume | Royal Irish Fusiliers Regimental Museum | 1998 |
| Pig in the middle : the army in Northern Ireland, 1969-84 | Hamill, Desmond | Monograph or Collective Volume | Methuen | 1985 |
| Pilot Officer Norman Robinson (1917-1943) killed in action, World War II | Robinson, James | Article in Journal | | 2006 |
| Pilot Officer Norman Robinson (1917-43) : killed in action World War II | Robinson, James | Article in Journal | | 2006 |
| Pilot Officer William F. D. Charlton | Charlton, Rodger | Article in Journal | | 2008 |
| Pitt-Rivers in Munster, 1862-65/6 | Twohig, Elizabeth | Article in Journal | | 1987 |
| Plane crash in the Blue Stacks remembered | Anonymous | Article in Journal | | 1993 |
| Plans of invasion of the British Isles | Rose, John Holland | Article in Book | | 1927 |
| Playing at soldiers : a military memoir | Dawes, Richard | Monograph or Collective Volume | Prumplestown Press | 2005 |
| Plus ça change............... | Ó Néill, Eoghan | Article in Book | | 2005 |
| Police forces in history | | Monograph or Collective Volume | Sage Publications | 1975 |
| Political and military aspects of the Irish Army’s service with United Nations forces in the Congo, 1960-64 | McCafferty, James | Thesis | | 2014 |
| Political killings in Northern Ireland | Amnesty International. International Secretariat | Monograph or Collective Volume | Amnesty International British Section | 1994 |
| Politicization and paramilitarism : north-west and south-west Ulster c.1772-98 | Mac Suibhne, Breandàn | Article in Book | | 2003 |
| Politics, bands and marketing : army recruiting in Waterford city, 1914-15 | Dooley, Thomas P. | Article in Journal | | 1991 |
| Portadown's RAF Bomber Command heroes of WWII | Kane, James S. | Article in Journal | | 2008 |
| Portarlington and Guillaume Guion | Guyon, David | Article in Journal | | 2016 |
| Powder and ball platoon : memories of service with the LDF in county Louth during the Emergency | Matthews, Frank | Article in Journal | | 1995 |
| POWs and Internees. Collecting for prisoners in 1916 | Patterson, Tony | Article in Journal | | 2021 |
| Pre-1836 Irish police forces, and a Longford police unit, 1845-1846 | A Chief Superintendent | Article in Journal | | 1946 |
| Preface : The Irish army in the Congo, 1960-1964 | Doyle, Ned | Article in Book | | 2005 |
| Prelude to dawn : a tribute to the men of N. Ireland who flew, fought, and died, with R.A.F. bomber command 1939-1945 | Quinn, John | Monograph or Collective Volume | W.W.II Irish Wreckology Group | 1992 |
| Preserving the past : The Air Corps Museum and Heritage Project | Bourke, Wesley | Article in Journal | | 2013 |
| Preserving the peace in Ireland : the role of military forces, 1815-45 | Crossman, Virginia | Article in Journal | | 1990 |
| Pressgangs in Wicklow | Finlay, John | Article in Journal | | 1990 |
| Private Boyle's letter | Silke, John J. | Article in Journal | | 2006 |
| Private Con Duggan | Boner, Seán | Article in Journal | | 2016 |
| Private George Overend - letters home 1914-15 | McIntyre, George | Article in Journal | | 2015 |
| Private James Durney, Royal Irish Regiment: a soldier of the Great War | Durney, James | Article in Journal | | 2015 |
| Private John Joseph Kelly, U.S. Marine Corps (1898-1957) | Sullivan, R. J. | Article in Journal | | 2007 |
| Private Martin Finn, 25th regiment of foot | Finn, H. C. | Article in Journal | | 2001 |
| Private Paddy Hassett and World War I | O'Regan, John | Article in Journal | | 2016 |
| Private Patrick Banks 1251 88th Regiment | Burke, Brian | Article in Journal | | 2000 |
| Private William Butler in the Peninsular War | Butler, JimmyHackett, Linda | Article in Journal | | 2003 |
| Proceedings of a General Court Martial held at Plymouth Citadel, June 1797: Daniel Coffey, John McGinness and Patrick Brenan | | Article in Journal | | 2016 |
| Proceedings of a General Court Martial held on Robert Lee Private Marine 51 Co. | | Article in Journal | | 2016 |
| Professionalization and suicidal defence planning by the Irish army, 1921-1941 | Farrell, Theo | Article in Journal | | 1998 |
| Project methodology | Chemin, Cecile | Article in Book | | 2012 |
| Promoted to Wing Commander | Sweeney, Pat | Article in Journal | | 2010 |
| Propagande et « contre-propagande » en Irlande pendant la Première Guerre mondiale | De Wiel, Jérôme aan | Article in Journal | | 2006 |
| Proposed uniform regulations for the volunteer force 1933 | Anonymous | Article in Journal | | 1998 |
| Protestant war : the 'British' of Ireland and the wars of the three kingdoms | Armstrong, Robert (Robert Matthew) | Monograph or Collective Volume | Manchester University Press | 2005 |
| Provincial grievance and national revolt : Munster in the nine years' war | Sheehan, A. J. (Anthony J.) | Article in Journal | | 1982 |
| Pte Louis (Lewis) Nelson, 528756. WWI | Nelson, Micheál | Article in Journal | | 2017 |
| Public and private contributions to the mobilisation of manpower and resources for war in mid-eighteenth century Britain and Ireland | Conway, Stephen | Article in Book | | 2006 |
| Queen Anne's Irish army establishment in 1704 | Jackson, Robert Wyse | Article in Journal | | 1951 |
| Queenstown for orders : contributions to the maritime history of Queenstown Harbour, the cove of Cork | Barry, J. M. | Monograph or Collective Volume | Sidney | 1999 |
| Raids and reprisals : Ireland, eyewitness (1923) | Téry, Simone | Article in Journal | | 1985 |
| Rapin de Thoyras : Huguenot and soldier | Walsh, Laurence | Article in Journal | | 1990 |
| Rates and allowances for victuals in Ireland, France and the Low Countries, 1595 | Trainor, Brian | Article in Journal | | 1950 |
| Rathclarin Ambush. 16/06/1919 | Desmond, John | Article in Journal | | 2019 |
| Re-presenting war : the Somme Heritage Centre | Officer, David | Article in Journal | | 1995 |
| Rear-Admiral Lucius O'Brien, R.N. | O'Brien, Ivor | Article in Journal | | 1993 |
| Reasonable doubt : the case for the UDR four | Paisley, Ian, Jr. | Monograph or Collective Volume | Mercier Press | 1991 |
| Records of the Irish in the British army | Colwell, Stella | Article in Book | | 1993 |
| Recruiting and recruits in county Cork during the First World War 1914-1918 | McCarthy, EoinO'Sullivan, Gerard | Article in Journal | | 1990 |
| Recruiting for the British army in Ireland during the first world war | Callan, Patrick | Article in Journal | | 1987 |
| Recruiting for the British army, 1916 : report on recruiting in Ireland | Anonymous | Monograph or Collective Volume | HMSO | 1916 |
| Recruiting posters | Bowen, PaulFitzpatrick, DavidTierney, Mark | Article in Book | | 1986 |
| Recruiting posters | Paine, J. | Article in Journal | | 1941 |
| Recruiting sergeants for John Bull? Irish Nationalist MPs and enlistment during the early months of the Great War | McConnel, James | Article in Journal | | 2007 |
| Red Hugh's march to Kinsale | O'Kane, Joe | Article in Journal | | 1987 |
| Reflections of an Irish Brigade officer | Hayes, Richard Francis | Article in Journal | | 1949 |
| Reflections on Commander Boatman George Colmer, HM Coastguard | Colmer, Albert | Article in Journal | | 2004 |
| Regimental marches. English regiments with Scottish, Irish and foreign airs | Paine, J. | Article in Journal | | 1934 |
| Regiments in the southern district of Ireland commanded by Lieutenant General Dalrymple, 1797 | Kerrigan, Paul M. | Article in Journal | | 1997 |
| Regiments of foot : a historical record of all the foot regiments of the British army | Wickes, H. L. | Monograph or Collective Volume | | 1974 |
| Regular British army records | Anonymous | Article in Journal | | 1982 |
| Religion and opportunity in the Irish police forces, 1836-1914 | Griffin, Brian | Article in Book | | 1990 |
| Reliving the nightmare | Kenny, Thomas | Article in Book | | 2005 |
| Remember Fontenoy! The 69th New York and the Irish Brigade in the Civil War | Bilby, Joseph G. | Monograph or Collective Volume | Longstreet House | 1995 |
| Remembering 'the Captain' | Smith, Michael | Article in Journal | | 2007 |
| Remembering Gallipoli|Over to you [additional material] | Cunningham, Jennifer | Article in Journal | | 2016 |
| Remembering Jalotville | Fröberg, Lars | Article in Book | | 2005 |
| Remembering some Dungannon and District officers and men who died in World War One | Bogue, Patricia | Article in Journal | | 2016 |
| Remembering the Connaught Rangers | Beirne, William | Article in Journal | | 2012 |
| Reminiscences of county Offaly people. Peter Dunne on his career in the Irish Naval Service | Dunne, Peter | Article in Journal | | 2011 |
| Replies to queries. 2nd Battallion Dutch Light Infantry in Cork | Ferguson, Kenneth | Article in Journal | | 2011 |
| Report of the tribunal appointed to inquire into the events on Sunday 30th January 1972, which led to the loss of life in connection with the procession in Londonderry on that day | Widgery, John Passmore, Baron Widgery, 1911- | Monograph or Collective Volume | HMSO | 1972 |
| Reporting the Congo under fire | Bestic, Alan | Article in Book | | 2005 |
| Repressing the rebellion in county Down | Bartlett, Thomas | Article in Book | | 1998 |
| Repressing the rebellion in county Longford | Bartlett, Thomas | Article in Book | | 1998 |
| Requiem for a mission | Lee, Dorcha | Article in Journal | | 1995 |
| Researching ancestors killed in World War I. Irish sources | Lécane, Philip | Article in Journal | | 1995 |
| Retracing stories of the Dungiven diaspora in the Fisrt World War | Wack, Mary F. | Article in Journal | | 2014 |
| Review article. 'Lest we forget' Ireland and the Great War 1914-18. [Review of eight recent publications] | McMinn, Richard | Article in Journal | | 2015 |
| Review article: Canada's sectarian past | Fitzpatrick, David | Article in Journal | | 2018 |
| Review essay | Leonard, Jane | Article in Journal | | 2006 |
| Review essay. Donal Hall, "The unreturned army:County Louth dead in the Great War" | Leonard, June | Article in Journal | | 2006 |
| Richard Griffith (c. 1752-1820) | McEvoy, Tony | Article in Book | | 1998 |
| Richard II's expeditions to Ireland | Lydon, James F. | Article in Journal | | 1963 |
| Richard Kane in the new world | Sloss, Janet | Article in Journal | | 1990 |
| Richard Mulcahy and the conclusion of the Civil War | Taaffe,Patrick | Article in Journal | | 2016 |
| Right Hon. Sir Alfred Bucknill, London, S.W.7. Deputy Judge Advocate General to the British Forces in Ireland in 1916. | Bucknill, Right Hon. Sir Alfred | Article in Book | | 2016 |
| Robert Hood | Burant, Jim | Article in Journal | | 2016 |
| Robert Lee, the United Irishmen, and the Naval Mutinies of 1797: a view from Plymouth Hoe | Ferguson, Kenneth | Article in Journal | | 2016 |
| Robert McClure - Wexford explorer | Higgins, John | Article in Journal | | 1997 |
| Robert Phayre, the Kilshannig regicide. Parts 1- 2 | Twomey, Dermot | Article in Journal | | 2011 |
| Robert Richard Matthews, a most unusual chap | Chapman, R.A. | Article in Journal | | 2018 |
| Robert Stearne's diary of the Williamite campaign | Hewson, Michael | Article in Journal | | 1977 |
| Rockhill House - a history | O'Carroll, Declan | Monograph or Collective Volume | Defence Forces | 1998 |
| Roger Casement, Germany and the world war : from British imperial consul to Irish republican envoy | MacKeogh, Michael | Article in Journal | | 1928 |
| Rogue warrior of the S.A.S. : Lt Col 'Paddy' Blair Mayne | Bradford, RoyDillon, Martin | Monograph or Collective Volume | John Murray | 1987 |
| Role of the Irish in WWII | McGrath, Con | Article in Journal | | 2012 |
| Roll of the 10th N.Y. Volunteer Infantry, 1861-1865 | Toole, Arthur T. | Article in Journal | | 1995 |
| Roll of the 2nd Connecticut Volunteer Heavy Artillery, 1861-65 | Toole, Arthur T. | Article in Journal | | 1998 |
| Room 40 : British naval intelligence, 1914-18 | Beesley, Patrick | Monograph or Collective Volume | [s.n.] | 1984 |
| Rorke's Drift - the East Clare connection - | Smart, Derrick | Article in Journal | | 2009 |
| Rosscarbery History Society outings | Huethorst, Bernard | Article in Journal | | 2012 |
| Royal Dublin Fusiliers, 3rd, 4th, & 5th Battalions | Lécane, Philip | Article in Journal | | 1997 |
| Royal Fleets in Viking Ireland : The Evidence of Lebor na Cert, A.D. 1050-1150 | Swift, Catherine | Article in Book | | 2004 |
| Royal Munster Fusiliers, 1652 to present day | | Monograph or Collective Volume | | 1950 |
| Royal Naval Reserve training batteries in Ireland | Clements, W. H. | Article in Journal | | 2006 |
| Royal navy enlistees 1853-1923 | Ahern, Dennis J. | Article in Journal | | 2005 |
| Royal service in Ireland | Otway-Ruthven, Annette Jocelyn, 1909-1989 | Article in Journal | | 1968 |
| Running the rapids : a writer's life | Dobbs, Kildare | Monograph or Collective Volume | Lilliput | 2005 |
| Sabre au clair : amable Humbert | Baeyers, Jacques | Monograph or Collective Volume | Albatros | 1981 |
| Sacrifice on the Somme | Hall, Michael | Monograph or Collective Volume | Island Publications | 1993 |
| Safe Haven? The archaeology of Bere Island's defence, 1763-1815 | Moloney, ColmShield, Damian | Article in Journal | | 2015 |
| Samuel Craig, a young soldier in the Great War | Craig, Samuel | Article in Journal | | 2004 |
| San Patricios. The Irishmen who died for Mexico | Vincent, John | Article in Journal | | 1993 |
| Sarafand | Millar, Roly | Monograph or Collective Volume | Larch Publishing | 1996 |
| Sarsfield's ride | McCarthy, Michael | Article in Journal | | 1990 |
| Scattered, ambushed and laid out: war and counterinsurgency in the greater Tuam area, 1919-21 | Gardiner, Eamonn T. (Eamonn Thomas) | Article in Journal | | 2015 |
| Schomberg, Ruvigny and the Huguenots in Ireland : William III's Irish War, 1689–91 | Murtagh, Harman | Article in Book | | 2007 |
| Scots mercenary forces in Ireland (1565-1603) : an account of their service during that period, of the reaction of their activities on Scottish affairs, and of the effect of their presence in Ireland, together with an examination of the Gallóglaigh or Galloglas. With an introduction by Eoin MacNeill | Hayes-McCoy, G. A. (Gerard Anthony) | Monograph or Collective Volume | Burns & Oates | 1937 |
| Scots Mercenary Forces in sixteenth-century Ireland | Prendergast, Muríosa | Article in Book | | 2008 |
| Sea power and the Jacobite rising of 1745 | Ireland, John de Courcy, 1911-2006 | Article in Journal | | 1981 |
| Seanchas : Part one, King James' men, 1688 | McCarthy, C. J. F. | Article in Journal | | 1990 |
| Secret victory : Ireland and the war at sea, 1914-1918 | Nolan, John E.Nolan, Liam, | Monograph or Collective Volume | Mercier | 2009 |
| Securing the state with soldier spies: evaluating the risks of using military personnel to gather surveillance evidence in Ireland | Mulqueen, Michael | Article in Journal | | 2009 |
| Security policy in Northern Ireland : some reflections on the management of violent conflict | Jeffery, Keith | Article in Journal | | 1990 |
| Select documents XLIII. A secret return of the Volunteers of Ireland in 1784 | | Article in Journal | | 1989 |
| Select documents XLVI. ‘Unofficial emissaries’ : British army boxers in the Irish Free State, 1926 | | Article in Journal | | 1996 |
| Select documents. The case of Robert Ayleway esqr, late Comptroller of the Artillery in Ireland, 1692 | | Article in Journal | | 2015 |
| Sergeant Byrne's escape, 1796 | Van Brock, F. W. | Article in Journal | | 1976 |
| Sergeant Costume and the bridge of Athlone | Murtagh, Diarmuid | Article in Journal | | 1948 |
| Sergeant James Graham (1791-1845) of Clones, Hougoumont, and the Royal Hospital, Kilmainham | Ferguson, Kenneth | Article in Journal | | 2015 |
| Serving King and Crusade : the Military Orders in Royal Service in Ireland, 1220-1400 | Nicholson, Helen J., 1960- | Article in Book | | 2003 |
| Settlement conflict and community: Irish Protestant migrants on New Zealand's Pakeha Frontier 1870-1900 | Horn, Gerard | Article in Journal | | 2010 |
| Shackleton | Fisher, JamesFisher, Margery | Monograph or Collective Volume | Barrie | 1957 |
| Shako plates of the Belfast volunteers | Thompson, F. Glenn | Article in Journal | | 2005 |
| Shamrock and sword : the Saint Patrick Batallion in the U.S - Mexican War | Miller, Robert, fl. 1755 | Monograph or Collective Volume | University of Oklahoma Press | 1989 |
| Shape a course for Fastnet : attacks on merchant ships by U-boats during the Great War where survivors landed in Kerry and West Cork | King, Gabriel Leo | Monograph or Collective Volume | Island Lighthouse Publications | 2017 |
| Shell-shocked British army veterans in Ireland, 1918-39 | Robinson, Michael | Monograph or Collective Volume | Manchester University Press | 2020 |
| Sheridan, the life of a general part 1 : the wild Irish boy | Suppiger, Joseph E. | Article in Journal | | 1984 |
| Ships of the Irish Normans | Ireland, John de Courcy, 1911-2006 | Article in Journal | | 1997 |
| Shipwrecks of Great Britain and Ireland | Larn, Richard | Monograph or Collective Volume | | 1981 |
| Shipwrecks of the Irish coast, 1105-1993 | Bourke, Edward J. | Monograph or Collective Volume | Bourke | 1994 |
| Shipwrecks of the Irish coasts. Vol. 2, 932-1997 | Bourke, Edward J. | Monograph or Collective Volume | The author | 1998 |
| Shipwrecks off the West Cork Coast : L'Impatiente - a ship of the French fleet wrecked at Mizen, 1797 | Bourke, Edward J. | Article in Journal | | 2011 |
| Short guide to relevant legislation, 1923-1980 | Blackwell, Patrick | Article in Book | | 2012 |
| Shot at dawn | Lee, David | Article in Book | | 1997 |
| Shot at dawn : justice does not have an expiry date | Mulvany, Peter | Article in Journal | | 2005 |
| Siege at Jadotville : the Irish army's forgotten battle | Power, Declan | Monograph or Collective Volume | Maverick House | 2005 |
| Siege of Derry. Link to Clan gathering | Cavanagh, Cathal | Article in Journal | | 2005 |
| Siege of Lucknow letter | O'Malley-Dunlop, Anna | Article in Journal | | 2004 |
| Signal Corporal. The story of the 2nd London Irish Rifles (2-18th Battalion London Regiment) 1914-18 | May, Ernest | Monograph or Collective Volume | Johnson Publications | 1972 |
| Silver presentation pieces to the Kildare Militia | Thompson, F. Glenn | Article in Journal | | 1987 |
| Sir Charles Percy [1572-1628] | Nicholls, Mark | Article in Journal | | 1987 |
| Sir Cloudesley Shovell : Stuart admiral | Harris, Simon | Monograph or Collective Volume | Spellmount | 2000 |
| Sir Edward Sabine, 1788-1883 | Hackney, Paul | Article in Book | | 1997 |
| Sir Francis Beaufort 1774-1857 | Landy, Sheila | Article in Book | | 1997 |
| Sir Francis Leopold McClintock, 1819-1907 | Hackney, Paul | Article in Book | | 1997 |
| Sir Francis Vane's quest for justice after Easter Week | Quinn, James | Article in Journal | | 2016 |
| Sir Henry Wilson 1864-1922. Soldier, politician, Irishman | Cook, David S. | Article in Journal | | 2016 |
| Sir Henry Wilson and the Defence of the British Empire, 1918-22 | Jeffery, Keith | Article in Journal | | 1977 |
| Sir Humphrey Gilbert in Ireland | Quinn, D. B. (David Beers) | Article in Journal | | 1939 |
| Sir J. C. Chatterton as colonel, 4th Royal Irish Dragoon Guards | Carman, William Y. | Article in Journal | | 1990 |
| Sir John French | McGreevy, Ronan | Article in Journal | | 2019 |
| Sir Lawrence Parsons and the raising of the 16th (Irish) Division, 1914-15 | Denman, Terence | Article in Journal | | 1987 |
| Sir Luke O'Connor | Smith, Des | Article in Journal | | 1990 |
| Sir Patrick Fleming, an Irish sword for hire | Ó hAnnracháin, Eoghan | Article in Journal | | 1997 |
| Sir Phelim O'Neill's Regiment of Foot and Troop of Horse, 1641-1652 | Hollick, C.L.C. | Article in Journal | | 2006 |
| Sir Richard Bourke : his life and work | King, Hazel | Article in Journal | | 1988 |
| Sir Richard Grenville, governor of Trim : the career and character of an English soldier in Ireland, 1642-3 | Miller, Amos Calvin | Article in Journal | | 1973 |
| Sir Walter Raleigh | Winton, John | Monograph or Collective Volume | | 1975 |
| Sir William Verner, Bt. (1782-1871) | Acheson, PeterFerguson, Kenneth | Article in Journal | | 2019 |
| Six Local Heroes | Wylie, Griffith | Article in Journal | | 2009 |
| Six tracts on 'coign and livery', c.1568-78 | | Article in Journal | | 2014 |
| Sixth infantry battalion | O'Driscoll, Brian | Article in Journal | | 1979 |
| Skerries L.D.F. and Kit Foy remembered | Bourke, Stephanie | Article in Journal | | 2012 |
| Skuldelev 2 and Viking-age ships and fleets in Ireland | Etchingham, Colmán | Article in Book | | 2015 |
| Sligo soldiers of the Jalandhar Mutiny, India, 1920 | Harte, Cian | Article in Journal | | 2015 |
| Social and technical forces constituting the Silent Valley Reservoir project: Mourne Mountains to Belfast (1893-1932) | Reinsborough, Michael Tom | Thesis | | |
| Soldier and officer : the army in two perspectives in the 1940s | Doyle, E. D. | Article in Journal | | 1991 |
| Soldier of the queen | McGovern, MickO'Mahony, Bernard | Monograph or Collective Volume | Brandon | 2000 |
| Soldiers and chiefs : the Irish at war | Millar, Paul | Article in Journal | | 2011 |
| Soldiers and strangers : an ethnic history of the English Civil War | Stoyle, Mark | Monograph or Collective Volume | Yale University Press | 2005 |
| Soldiers from Kilmacud and Stillorgan who died in the First World War | | Article in Journal | | 2015 |
| Soldiers from Nenagh and district in World War 1 | Grace, Daniel | Article in Journal | | 1999 |
| Soldiers of the queen : the history of the Queen's Regiment, 1966-1992 | Riley, Jonathan Peter | Monograph or Collective Volume | Picton | 1993 |
| Soldiers of the short grass; a history of the Curragh Camp | Harvey, Dan | Monograph or Collective Volume | Merrion Press | 2016 |
| Soldiers, solutions and self-perspectives on Northern Ireland | Collins, Neil | Article in Journal | | 1985 |
| Solid soldiering | Harvey, Dan | Article in Journal | | 1996 |
| Some aspects of Roman Catholic service in the land forces of the British Crown : c.1750 to c.1820 | Fontana, V. J. L. | Thesis | | |
| Some aspects of the wars in Ireland, 1641-1649 | Lowe, John | Article in Journal | | 1960 |
| Some by-ways in the search for John Sayers, R.N. | Ludlow, Jean | Article in Journal | | 2009 |
| Some casualties from South Armagh, who perished in the First World War | Geary, Trevor | Article in Journal | | 2016 |
| Some entries relating to Scottish militia regiments in the South of Ireland during the Napoleonic Wars | Ffolliott, Rosemary | Article in Journal | | 1971 |
| Some Franco-Irish naval officers | Ireland, John de Courcy, 1911-2006 | Article in Journal | | 1987 |
| Some further correspondence relating to the Curragh incident of March 1914 | Beckett, Ian Frederick William | Article in Journal | | 1991 |
| Some Irish officers in Spanish Louisiana | Holmes, Jack D. L. | Article in Journal | | 1964 |
| Some Irish officers in the Spanish service, 1778 | Hayes, Richard Francis | Article in Journal | | 1952 |
| Some officers with Irish links from the full pay returns of 1829 | Ward, Cyril | Article in Journal | | 1991 |
| Some officers with Irish links from the returns of 1828 | Ward, Cyril | Article in Journal | | 1993 |
| Some pre-civil war Irish militiamen of Brooklyn, New York | Bennett, William Harper | Article in Journal | | 1922 |
| Some recollections of the East Wicklow Volunteers 1914-21 | Fagan, Ben | Article in Journal | | 2016 |
| Some Ulster seamen in the Confederate navy in the U.S. civil war | Ireland, John de Courcy, 1911-2006 | Article in Journal | | 1981 |
| Sources for maritime history in the National Archives | Donnelly, BrianPower, Jan | Article in Journal | | 1992 |
| South Mayo militia papers. (British Public Record Office, Kew, London, class WO 13 Boxes 3121-40) | Anonymous | Article in Journal | | 1994 |
| Spanish Armada | De Cuéllar, FranciscoMacDonagh, B. | Monograph or Collective Volume | Sligo School of Landscape Painting | 1978 |
| Spanish armadas and Ireland | Morgan, Hiram | Article in Book | | 2001 |
| Spanish documents relating to Ó Concobhair Failghe, 1761-1776 | Hazzard, Benjamin | Article in Journal | | 2022 |
| Spanish naval cadets of Irish birth or descent | | Article in Journal | | 1982 |
| Speeches of Oliver Cromwell | | Monograph or Collective Volume | | 1989 |
| St Patrick's Day in New York, 1779 : an Irish regiment's role in the American Revolution | McGinn, Brian | Article in Journal | | 1997 |
| State violence in Northern Ireland, 1969-1997 | Murray, Raymond | Monograph or Collective Volume | Mercier Press | 1998 |
| Statements to the committee of inquiry into the army mutiny | Hogan, James | Article in Book | | 2001 |
| Step together | Joye, Lar | Article in Journal | | 2010 |
| Still dark in paranoia Gulch | Campbell, Duncan | Article in Book | | 1996 |
| Stillorgan and the First World War | Casey, Patrick J. | Article in Journal | | 2006 |
| Strafford's Irish army, 1640-41 | Forkan, Kevin Brendan | Thesis | | 1999 |
| Strategy and tactics in later medieval Ireland : a general survey | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Journal | | 1942 |
| Struggle for independence - IRA transportation of ammunition to Longford | Heslin, Michael F. | Article in Journal | | 2006 |
| Surgeon Major T.H. Parke : a short history of his life | Smith, Des | Monograph or Collective Volume | Carrick-on-Shannon and District Historical Society | 1994 |
| Swift Nix (Nicks) - an English highwayman and his Irish career | Harris, Amy L. | Article in Journal | | 2021 |
| Swordsmen : the martial ethos in the three kingdoms | Manning, Roger Burrow | Monograph or Collective Volume | Oxford University Press | 2003 |
| Tans, terror and troubles : Kerry's real fighting story, 1913-1923 | Dwyer, T. Ryle | Monograph or Collective Volume | Mercier Press | 2001 |
| Ten-thirty-three : the inside story of Britain's secret killing machine in Northern Ireland | Davies, Nicholas | Monograph or Collective Volume | Mainstream publishing | 1999 |
| Terrorismus und Freiheitskampf : Gewalt, Propaganda und politische Strategie im irischen Bürgerkrieg 1922/23 | Braun, Nikolaus | Monograph or Collective Volume | Oldenbourg | 2003 |
| Thank God we're surrounded by water | McKenna, T. J. | Article in Journal | | 1973 |
| The "Antrim Plot" of 1641 - a myth? | Ohlmeyer, Jane H. | Article in Journal | | 1992 |
| The "Antrim plot" of 1641 - a myth? : a response | Perceval-Maxwell, Michael | Article in Journal | | 1994 |
| The "Antrim plot" of 1641 : a rejoinder | Ohlmeyer, Jane H. | Article in Journal | | 1994 |
| The "Irish road" : military supply and arms for Elizabeth's army during the O'Neill rebellion in Ireland, 1598-1601 | Stewart, R. W. | Article in Book | | 1991 |
| The 'army mutiny' of 1924 and the assertion of civilian authority in independent Ireland | Valiulis, Maryann Gialanella, 1947- | Article in Journal | | 1983 |
| The 'Babe of Tangier': Field Marshal George Wade (1673-1748) | Ferguson, Kenneth | Article in Journal | | 2016 |
| The 'Battle of Tullamore' in 1806: the King's German Legion incident and the growth of a legend | Byrne, Michael | Article in Journal | | 2008 |
| The 'Decade of Centenaries' - Wicklow's war dead | | Article in Journal | | 2016 |
| The 'Dubsters' - V Beach 25 April 1915 | Joye, Lar | Article in Journal | | 2015 |
| The 'forgotten war' | Farrell, Tom | Article in Journal | | 2010 |
| The 'Irish Soldier' : a propaganda paper for Ireland, September-December 1918 | Callan, Patrick | Article in Journal | | 1982 |
| The 'Irishes' in Scotland, 1644-1647 | Robert, Alasdair | Article in Journal | | 1986 |
| The 'Muirichu' | Dunne, Tom | Article in Journal | | 1987 |
| The 'Otranto' disaster of October 1918: the Belfast connection | Kinsella, Anthony | Article in Journal | | 2018 |
| The 'Rajah of Tipperary' and the Begun of Sardhana | James, David | Article in Journal | | 1988 |
| The 'reverend gentlemen' of the early years of the Irish Army Chaplaincy Service | Hartigan, Maurice | Article in Journal | | 2019 |
| The 'supreme command' and the 'military command' of the Irish Defence Forces, and the varying application of the style 'Commander-in-Chief' | Ferguson, Kenneth | Article in Journal | | 2019 |
| The 'Tan War' in Tyrone, 1920-21: a comparative analysis of the violence of the I.R.A. and Crown forces | McCluskey, Fergal | Article in Journal | | 2010 |
| The 'tin hats' : the south Wales borderers in Meath 1920-1922 | Courtney, Ultan | Monograph or Collective Volume | Ultan Courtney | 2018 |
| The 10th (Irish) division 1914-15 : a study in military and political interaction | Denman, Terence | Article in Journal | | 1987 |
| The 13th Battalion (1st County Down Volunteers) The Royal Irish Rifles in the First World War | McGuicken, Craig | Article in Journal | | 2004 |
| The 13th Battalion of the Imperial Yeomanry and the battle of Lindley (27-31 May 1900) | Diver, Luke | Article in Journal | | 2018 |
| The 16th (Irish) Division on 21 March 1918 : fight or flight | Denman, Terence | Article in Journal | | 1990 |
| The 18th Royal Irish and their compatriots | Hitchcock, F. C. | Article in Journal | | 1940 |
| The 1974-5 threat of British withdrawal from Northern Ireland | FitzGerald, Garret | Article in Journal | | 2006 |
| The 2nd Battalion : the Royal Dublin Fusiliers and the tragedy of Mouse Trap Farm, April and May 1915 | Burke, Tom | Monograph or Collective Volume | Royal Dublin Fusiliers Association | 2006 |
| The 2nd Royal Irish Rifles in the Great War | Taylor, James W. | Monograph or Collective Volume | Four Courts | 2005 |
| The 69th 'Fighting Irish' regiment in the First World War | Joye, Lar | Article in Journal | | 2018 |
| The 6th Connaught Rangers : Belfast Nationalists and the Great War | 6th Connaught Rangers Research Project | Monograph or Collective Volume | 6th Connaught Rangers Research Project | 2008 |
| The 6th Connaught Rangers : Belfast nationalists and the Great War | 6th Connaught Rangers Research Project | Monograph or Collective Volume | Ulster Historical Foundation | 2011 |
| The 8 Field Battery : a brief account of its origin and activities | Durnin, Peter | Article in Journal | | 1986 |
| The 80th anniversary of the death of a submarine. The Old Leighlin connection | Power, Ann | Article in Journal | | 2020 |
| The Abercromby affair | Gaynor, Tony | Article in Book | | 2003 |
| The ace with the Shamrock | Byrne, Maurice | Article in Journal | | 2006 |
| The admiral from Mayo : a life of Almiramte William Brown of Foxford, father of the Argentine Navy | Ireland, John de Courcy, 1911-2006 | Monograph or Collective Volume | Éamonn de Búrca | 1995 |
| The Air Corps 1939-1945 | Kearns, A. P. | Article in Journal | | 1989 |
| The Air Corps' contribution to Irish military history | McCabe, Hugo | Article in Journal | | 1972 |
| The air crash nobody saw. The Djouce Mountain aircraft crash 12 August 1946 | Scannell, James | Article in Journal | | 2022 |
| The American and Spanish careers of Eduardo Wall y Porcell (1756-62) | Téllez Alarcia, Diego | Article in Journal | | 2017 |
| The Amritsar Massacre, 1919: the Irish connection | Grace, Pierce A. | Article in Journal | | 2010 |
| The Anglo-Irish conflict, 1919-1922 : a war of independence or systematized murder? | Costigan, Giovanni | Article in Journal | | 1968 |
| The Anne of Dublin : a sixteenth-century man-of-war | Appleby, John C. | Article in Journal | | 1988 |
| The Arctic fox : Francis Leopold McClintock : discoverer of the fate of Franklin | Murphy, David, 1968- | Monograph or Collective Volume | Collins Press | 2004 |
| The Armada : how the Spanish Armada "fell upon the coast of Ireland" A.D. 1588. Part 1 | Purcell, Colette | Article in Journal | | 1984 |
| The Armada : how the Spanish Armada "fell upon the west coast of Ireland" (1588) : part 2 | Purcell, Colette | Article in Journal | | 1985 |
| The Armada in its context | MacCaffrey, Wallace T. | Article in Journal | | 1989 |
| The Armada in Sligo: Stáid or Ahamlish? The riddle of Gáirdin a' Bhadh | Mc Gowan, Joe | Article in Journal | | 2015 |
| The armed forces and the suppression of agrarian disorder during the Wellesley administration | Johnston, John Nicholas | Thesis | | 1993 |
| The armies of James and William | O'Dea, MargaretWalsh, Ray | Article in Journal | | 1990 |
| The army | McDowell, R. B. (Robert Brendan), 1913-2011 | Article in Book | | 1957 |
| The army and civil war | Roberts, Frederick | Article in Journal | | 1914 |
| The army and law and order in the nineteenth century | Crossman, Virginia | Article in Book | | 1996 |
| The army and Royal Navy in Ireland : some statistics | Kinsella, Anthony | Article in Journal | | 1997 |
| The army and the Dáil - civil/military relations within the independence movement | O'Halpin, Eunan | Article in Book | | 1994 |
| The army badge | Anonymous | Article in Journal | | 2011 |
| The army crisis and home rule | Ponsonby, Arthur Augustus William Harry, 1st Baron Ponsonby | Article in Journal | | 1914 |
| The army doctor's story | Laffan, Joseph | Article in Book | | 2005 |
| The army goes to press | MacGall, Rex | Article in Journal | | 1946 |
| The army in independent Ireland | O'Halpin, Eunan | Article in Book | | 1996 |
| The army in Ireland from the Restoration to the Act of Union | Ferguson, K. P. | Article in Journal | | 1982 |
| The army in Ireland from the Restoration to the act of union | Ferguson, Kenneth Patrick | Thesis | | 1981 |
| The Army Medical Corps : some recollections of its early days | Cooney, Mark | Article in Journal | | 1967 |
| The army of the Irish Free State, 1922-1924 | Long, Patrick | Thesis | | 1983 |
| The army of Ulster, 1593-1601 | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Journal | | 1949 |
| The army ordnance corps | McDonald, James G. | Article in Journal | | 1977 |
| The army PR men of Northern Ireland | Hoggart, Simon | Article in Book | | 1996 |
| The army split in Laois March 1922 | Gray, Mick, Comdt ; O'Connell, J.J. ("Ginger"), Col. | Article in Journal | | 2006 |
| The army, the press, and the 'Curragh incident', March 1914 | Connelly, M. L. | Article in Journal | | 2011 |
| The arrival of the National Army in Clew Bay, 24 July 1922 | Mac Evilly, Myles | Article in Journal | | 2022 |
| The augmentation of the army in Ireland 1767-1769 | Bartlett, Thomas | Article in Journal | | 1981 |
| The Bank of Ireland yeomanry | Thompson, F. Glenn | Article in Journal | | 1981 |
| The Bantry Bay boat : the officers' barge from the frigate Résolue, 1796 | Kerrigan, Paul M. | Article in Journal | | 2001 |
| The Bantry Boat | Joye, Lar | Article in Journal | | 2018 |
| The Barrack Book - 1904 | Bates, Martin | Article in Journal | | 1965 |
| The barracks : a history of Victoria/Collins barracks | Harvey, DanWhite, Gerry | Monograph or Collective Volume | [s.n.] | 1997 |
| The barracks is excellent | Costello, Con | Article in Book | | 1996 |
| The barrracks : a history of Victoria/Collins Barracks, Cork | Harvey, DanWhite, Gerry | Monograph or Collective Volume | Mercier Press | 1997 |
| The Batavian Republic and Ireland, 1797 | Kramers, C. J. M. | Article in Journal | | 1996 |
| The battalion of St Patrick in the Mexican war | Wallace, Edward S. | Article in Journal | | 1950 |
| The Battle of Arklow, Saturday, June 9, 1798 | Power, Patrick | Article in Journal | | 1998 |
| The battle of Ballynahinch : anthology of the documents | Reid, Horace | Article in Book | | 1998 |
| The Battle of Bantry Bay 1689 and afterwards | Coleman, Michael | Article in Journal | | 2016 |
| The battle of Bantry Bay, 1 May 1689 | Le Fevre, Peter | Article in Journal | | 1990 |
| The battle of Benburb | Dowling, Linda | Article in Book | | 1950 |
| The battle of Benburb, an historic outline | Dowling, J. | Article in Book | | 1945 |
| The battle of Clones, 1643 | Ó Mórdha, Pilib | Article in Journal | | 1962 |
| The battle of Crossbarry : the private British army inquiries into the deaths of Charlie Hurley and the other three volunteers | Ó Cuanacháin, Pádraig | Article in Journal | | 2003 |
| The battle of Dublin, 1916 | Ó Néill, Eoghan | Article in Journal | | 1966 |
| The battle of Dundonell (Baginbun), A.D. 1170 | Orpen, G. H. (Goddard Henry) | Article in Journal | | 1904 |
| The battle of Dysart O'Dea and the Gaelic resurgence in Thomond | Simms, Katharine | Article in Journal | | 1979 |
| The battle of Dysert O'Dea, May 10, 1318 | Westropp, Thomas Johnston | Article in Journal | | 1918 |
| The battle of Fochart, 1318 | Mac Íomhair, Diarmuid | Article in Journal | | 1967 |
| The Battle of Glenmalure, 25 August 1580 - cause and course | O'Byrne, Emmett | Article in Journal | | 1998 |
| The Battle of Jutland, May 31st, 1916 | Cahalane, John | Article in Journal | | 2016 |
| The Battle of Jutland. A west Cork tragedy | McCarthy, Tony | Article in Journal | | 2013 |
| The battle of Knockbrack | Tarrant, Con | Article in Journal | | 1986 |
| The Battle of Kosturino: the Irish-Australian connection | Kildea, Jeff | Article in Journal | | 2017 |
| The battle of Móin Mhór, 1151 | Kelleher, J. V. | Article in Journal | | 1988 |
| The Battle of Mount Street Bridge | O'Brien, Paul | Article in Journal | | 2017 |
| The battle of Oulart Hill : context and strategy | Cleary, Brian | Monograph or Collective Volume | Oulart Hill Publications | 1999 |
| The battle of Oulart Hill : context and strategy | Cleary, Brian | Article in Journal | | 1995 |
| The Battle of Oulart Hill : context and strategy | Cleary, Brian | Article in Book | | 1996 |
| The battle of Piltown, 1462 | Butler, George | Article in Journal | | 1964 |
| The battle of Saintfield | Toner, Gregory | Article in Book | | 1998 |
| The battle of Scariffhollis | O'Carroll, Declan | Article in Book | | 2001 |
| The battle of the Boyne : the Danish official report | Jordan, John | Article in Journal | | 1954 |
| The battle of the Somme | Allen, Dennis | Article in Journal | | 1994 |
| The Battle of Wijschate - Messines Redge, June 1917: brotherhood among Irishmen? | Burke, Tom | Article in Journal | | 2008 |
| The Bennetsbridge review, 1704 | Anonymous | Article in Journal | | 2004 |
| The bicentenary of Derrygortreavy Church, Eglish Parish, its first minister and the battle of Waterloo | Batchelor, John | Article in Journal | | 2016 |
| The bicycle and the British army in Victorian Ireland | Griffin, Brian | Article in Journal | | 2013 |
| The Bicycle and the Irish Revolution, 1913-1921. Part I: 1913-1918 | Griffin, Brian | Article in Journal | | 2022 |
| The Bicycle and the Irish Revolution, 1913-1921. Part II: 1919-1921 | Griffin, Brian | Article in Journal | | 2022 |
| The Birth of an army : the formation of Óglaigh na hÉireann 1913-1915 (Part I) | O'Shea, BrendanWhite, Gerry | Article in Journal | | 2013 |
| The birth of an Army : the formation of Óglaigh na hÉireann 1913-1915 (Part II) | O'Shea, BrendanWhite, Gerry | Article in Journal | | 2013 |
| The birth of an army : the formation of Óglaigh na hÉireann, 1913-1915 | O'Shea, BrendanWhite, Gerry | Article in Journal | | 2003 |
| The Black and Tans | Bennett, Richard | Monograph or Collective Volume | Hulton | 1959 |
| The Black and Tans in Ballylongford | Lane, CaitrionaÓ Concubhair, Pádraig | Article in Journal | | 2002 |
| The Black and Tans in north Tipperary : policing, revolution and war, 1913-1922 | Hogan, Seán | Monograph or Collective Volume | Untold Stories Publishers | 2013 |
| The Black, the Red and the Green : Black red-coats and Ireland during the eighteenth and nineteenth centuries | Ellis, John D. | Article in Journal | | 2003 |
| The bloodied field : Croke Park, Sunday 21 November 1920 | Foley, Michael | Monograph or Collective Volume | O’Brien Press | 2015 |
| The bloodiest year 1972 : British soldiers in Northern Ireland in their own words | Wharton, Ken M. | Monograph or Collective Volume | Spellmount | 2011 |
| The Bloody Sunday Inquiry and the 'Saville Report': Declaring innocence, attributing blame and the limitations of public inquiries | Barcat, Charlotte | Article in Journal | | 2012 |
| The blue wall of silence : the Morris tribunal and police accountability in Ireland | Conway, Vicky | Monograph or Collective Volume | Irish Academic Press | 2010 |
| The Boyne water : the Battle of the Boyne 1690 | Ellis, Peter Berresford, 1943- | Monograph or Collective Volume | Blackstaff Press | 1989 |
| The British army and Fingal during the Great War | Howard, Bernard | Article in Journal | | 2010 |
| The British army and Ireland since 1922 | Jeffery, Keith | Article in Book | | 1996 |
| The British Army in Ireland 1916-1921 : a social and cultural history | Butler, Benjamin Laurence | Thesis | | |
| The British army in Ireland, 1868-90 | Haire, David Nigel | Thesis | | 1973 |
| The British army in Ireland, 1910-1916: a social, political and military study | O'Meara, Brian Patrick | Thesis | | 2000 |
| The British army in Northern Ireland | Dewar, Michael, 1941- | Monograph or Collective Volume | Arms & Armour | 1996 |
| The British army in Northern Ireland | Dewar, Michael | Monograph or Collective Volume | Arms and Armour | 1985 |
| The British army in Northern Ireland 1969-1972 : from policing to counter-terror | Pipe, Caroline Kennedy | Article in Journal | | 1997 |
| The British army in Northern Ireland 1969-1972 : from policing to counter-terror | Kennedy-Pipe, CarolineMcInnes, Colin | Article in Journal | | 1997 |
| The British Army in Ulster | Barzilay, David | Monograph or Collective Volume | Century | 1973 |
| The British army on the Curragh of Kildare, 1855-1922: environmental, social and economic aspects of the making and occupation of the camp | Costello, Cornelius | Thesis | | 1994 |
| The British army presence in Dublin | Fairbrother, Henry | Article in Journal | | 2017 |
| The British Auxiliary Legion in the first Carlist War in Spain, 1835-1838 : a forgotten army | Brett, Edward M. | Monograph or Collective Volume | Four Courts | 2005 |
| The British Campaign in Ireland, 1919-1921 : The Development of Political and Military Policies | Townshend, Charles | Monograph or Collective Volume | Oxford University Press | 1975 |
| The British military dilemma in Ireland : occupation politics, 1886-1914 | Muenger, E. A. | Monograph or Collective Volume | University Press of Kansas|Gill & Macmillan | 1991 |
| The burning of Cork city by British forces, Dec. 1920 | Anonymous | Monograph or Collective Volume | South Gate Books | 1978 |
| The burning of Trim Barracks and reprisals | French, Noel | Article in Journal | | 2020 |
| The Captain-General : the career of John Churchill, duke of Marlborough, from 1702-11 | Burton, I. F. | Monograph or Collective Volume | | 1968 |
| The captains' games : army and society in Elizabethan Ireland | Brady, Ciarán | Article in Book | | 1996 |
| The capture and death of Major Geoffrey Lede Compton-Smith, 1921 | Ní Shíocháin, Saoirse | Article in Journal | | 2018 |
| The capture of the Hoche in 1798 | Kerrigan, P. M. | Article in Journal | | 1977 |
| The Carlow ANZACs. County Carlow-born World War One ANZAC dead: some of our long forgotton emigrants | Greene, Jackie | Article in Journal | | 2019 |
| The Carlow Rifles/King's Royal Rifle Corps | Lynch, Martin J. | Article in Journal | | 2015 |
| The Carteret Priaulx papers : the influence of the Napoleonic wars on Guernsey | White, Margaret | Article in Journal | | 1964 |
| The causes of the English Civil War : a new analysis | Wedgwood, Cicely Veronica, Dame, 1910-1997 | Article in Journal | | 1955 |
| The charge of the Irish Brigade at Marye's Heights in the battle of Fredericksburg, Virginia, 13 December 1862 | Murphy, William A. | Article in Journal | | 2002 |
| The Chevalier Gaydon's memoir of the regiment of Dillon, 1738 | | Article in Journal | | 1964 |
| The Christmas truce | Scannell, James | Article in Journal | | 2014 |
| The Civil War 1922-23 | Neeson, Eoin | Monograph or Collective Volume | Poolbeg | 1989 |
| The civil war in Ireland | Neeson, Eoin | Monograph or Collective Volume | Mercier Press | 1966 |
| The civil war in Ireland, 1922-23 | Neeson, Eoin | Monograph or Collective Volume | Mercier Press | 1969 |
| The civil war, 1922-23 | Purdon, Edward | Monograph or Collective Volume | Mercier Press | 2000 |
| The Clare militia 1793-1909 | Kennedy, Kieran A. | Article in Journal | | 2003 |
| The clearing of the ranges, Kilworth, Co. Cork | Jordan, Kieran | Article in Journal | | 2005 |
| The cloathing book 1742 : a representation of the Cloathing of His Majesty's Household and all the Forces upon the Establishments of Great Britain and Ireland 1742 | Anonymous | Monograph or Collective Volume | Naval & Military | 2005 |
| The coastwatching service | Quinn, Owen | Article in Journal | | 1993 |
| The Coleraine Battery : the history of 6 Light Anti-Aircraft Battery RA (SR) 1939-1945 | Gamble, Ronnie | Monograph or Collective Volume | Causeway Museum Service | 2006 |
| The colonized in the colonies : representation of celts in Victorian battle painting | Kestner, Joseph A. | Article in Book | | 1996 |
| The colour of Berwick's regiment | Van Brock, F. W. | Article in Journal | | 2004 |
| The commissioners : how two men led the two police forces which became An Garda Síochána | Smyth, Paul | Monograph or Collective Volume | Carrowmore Publishing | 2022 |
| The Commissioning of Gordon O'Neill | Kenny, Colum | Article in Journal | | 2021 |
| The conduct of the Anglo-Irish war, 1919-1921 | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Book | | 1968 |
| The Confederate states at sea in the American civil war : the Irish contribution | Ireland, John de Courcy, 1911-2006 | Article in Journal | | 1980 |
| The Confederate States navy, 1861-1865 : the Irish contribution | Ireland, John de Courcy, 1911-2006 | Article in Journal | | 1980 |
| The Congo (ONUC) : the military perspective | McKeown, Sean | Article in Journal | | 1996 |
| The Congo revisited | Raeside, Archie | Article in Journal | | 2000 |
| The Connaught Army and the Confederate Catholics, 1642-1649 | Williams, Andrew | Article in Journal | | 2008 |
| The Connaught Rangers | Kilfeather, T. P. | Monograph or Collective Volume | Anvil Books | 1969 |
| The Connaught Rangers | McHugh, Anna | Article in Journal | | 1993 |
| The Connaught Rangers : a cautious reburial | Mac Aonghusa, Mícheál | Article in Journal | | 2001 |
| The Connaught Rangers Mutiny: Thomas Murray's story | MacMahon, Bryan, 1949- | Article in Journal | | 2021 |
| The Connaught Rangers' mutiny | Hinchy, R. A. | Article in Journal | | 1958 |
| The constitutional position of the Irish military establishment from the restoration to the union | Hand, Geoffrey Joseph | Article in Journal | | 1968 |
| The constitutional position of the Irish military establishment from the Restoration to the Union : an introductory note | Hand, G. J. P. | Article in Journal | | 1968 |
| The construction corps | Ó Néill, Eoghan | Article in Journal | | 1977 |
| The Construction Corps, 1940-48 | Evans, Bryce | Article in Journal | | 2007 |
| The Coolfadda Ambush | Carley, Conor | Article in Journal | | 2024 |
| The corporal and the celestials : in north China with the 1st Battalion, Royal Inniskilling Fusiliers, 1909-1912 | Hutchinson, James, 1886-1963 | Monograph or Collective Volume | Ulster Historical Foundation | 2008 |
| The corporal and the celestials : in north China with the 1st battalion, Royal Inniskilling Fusiliers, 1909-1912 | Hutchinson, James | Monograph or Collective Volume | Ulster Historical Foundation | 2008 |
| The county Armagh volunteers of 1778-1793 | Paterson, T. G. F. | Article in Journal | | 1944 |
| The county Armagh volunteers of 1778-93 : list of companies | Paterson, T. G. F. | Article in Journal | | 1943 |
| The courts martial of 1798-99 | Power, Patrick C. | Monograph or Collective Volume | Irish Historical Press | 1997 |
| The Crimean War and Irish society | Huddie, Paul | Monograph or Collective Volume | Liverpool University Press | 2015 |
| The Crimean War experiences of G.H. Johnston (1822-1894), the Irish Presbyterians' first army chaplain | Huddie, Paul | Article in Journal | | 2014 |
| The Cromwellian gazeteer : an illustrated guide to Britain in the civil war and commonwealth | Gaunt, Peter | Monograph or Collective Volume | Allan Sutton and the Cromwellian Association | 1987 |
| The Cumberland County, Pennsylvania, militia in the revolution | O'Brien, Michael J. | Article in Journal | | 1922 |
| The Curragh 'mutiny' | Connell, Joseph E. A., Jr. | Article in Journal | | 2014 |
| The Curragh incident | Ferguson, James | Monograph or Collective Volume | [s.n.] | 1964 |
| The Curragh incident | Fergusson, James, Sir | Monograph or Collective Volume | Faber | 1964 |
| The Curragh of Kildare | Swan, Desmond | Article in Journal | | 1972 |
| The Curragh of yesterday | Williams, Charles | Article in Journal | | 1947 |
| The Curragh training camp | Bryan, D. | Article in Journal | | 1953 |
| The Danish corps in Ireland, 1690-1 | Ó Danachair, Caoimhín, 1913-2002 | Article in Journal | | 1961 |
| The Danish force at Limerick, 1690 | Danaher, Kevin, 1913-2002Simms, J. G. (John Gerald) | Article in Journal | | 1990 |
| The dark secret of Béalnablagh | Twohig, Patrick J. | Monograph or Collective Volume | Tower Books | 1991 |
| The dark secret of Béalnabláth : [the Michael Collins story] | Twohig, Patrick J. | Monograph or Collective Volume | Tower Books | 1995 |
| The dead of Drogheda arise. Drogheda and the First World War | Corcoran, Seán | Article in Journal | | 2014 |
| The death of Dinny Lacey | Neenan, Michael | Article in Journal | | 1993 |
| The death of Major General Richard Montgomery, 31 December 1775 | Cathcart, Rex | Article in Journal | | 1991 |
| The death of Peter Sands | Haines, Keith | Article in Journal | | 2003 |
| The defence forces - history outlined | McDonald, Thomas | Article in Journal | | 1967 |
| The defence of Ireland 1797 | Kerrigan, Paul M. | Article in Journal | | 1998 |
| The defence of Ireland : a naval journal of 1627 | Appleby, John C. | Article in Journal | | 1998 |
| The defence of Protestant Ireland, 1660-1760 | Connolly, Sean J. | Article in Book | | 1996 |
| The defence of the Moyry Pass, 1600 | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Journal | | 1957 |
| The defence of the southern part of Ireland by General Vallancey, Chief Engineer | Nevin, Monica | Article in Journal | | 1995 |
| The defences of Ireland, 1793-1815 | Kerrigan, P. M. | Article in Journal | | 1983 |
| The development of U.N. peace-keeping concepts over the past fifty years : an Irish perspective | Dorr, Noel | Article in Journal | | 1996 |
| The Devil to Pay : The Connaught Rangers Revolt in the Punjab, 1920 | Babington, Anthony | Monograph or Collective Volume | | 1991 |
| The diary and the memories of an Irish Guardsman | Cooper, Derek | Article in Journal | | 2000 |
| The diary of an Anzac: Major Kenneth Gresson (1891-1974, Canterbury Infantry Regiment | Nelson, Ivan F. | Article in Journal | | 2014 |
| The diary of Second Lieutenant A.V.G. Killingley, Easter Week, 1916 | McCann, B. P. | Article in Journal | | 1997 |
| The diplomatic career of Captain James Jefferyes, Blarney Castle | Mulcahy, J. | Article in Journal | | 2002 |
| The dirty war | Dillon, Martin | Monograph or Collective Volume | Hutchinson | 1990 |
| The disbandment of the Irish Regiments in 1922 | Burke, Tom | Article in Journal | | 2019 |
| The discipline and morale of the British Expeditionary Force in France and Flanders 1914-18, with particular reference to Irish units | Bowman, Timothy | Thesis | | |
| The disparity of sacrifice : Irish recruitment in the British Armed Forces, 1914-1918 | Bowman, Timothy ; Butler, William ; Wheatley, Michael | Monograph or Collective Volume | Liverpool University Press | 2020 |
| The Donegal corridor and the battle of the Atlantic | Mc Gowan, Joe | Article in Journal | | 2003 |
| The Doneraile Rangers | Shine, Michael | Article in Journal | | 1990 |
| The Doneraile yeomanry | Shine, Michael | Article in Journal | | 1992 |
| The downfall of the Spanish Armada in Ireland | Douglas, Ken | Monograph or Collective Volume | Gill & Macmillan | 2009 |
| The Drogheda massacre in Cromwellian context | Morrill, John Stephen, 1946- | Article in Book | | 2007 |
| The Dublin Fusiliers : part 2 | MacCauley, J. A. | Article in Journal | | 1971 |
| The Dublin pals | Morgan, Gerald | Article in Book | | 2003 |
| The Dublin purveyors and the wars in Scotland, 1296-1324 | Lydon, James F. | Article in Book | | 1988 |
| The Duke of Schomberg : European soldier, William's general | Lucy, Gordon | Monograph or Collective Volume | Schonberg | 2004 |
| The duke of Wellington | Petrie, Charles Alexander, Sir | Article in Journal | | 1963 |
| The Dutch involvement in the Williamite War in Ireland, 1689-'91 | Schillern, Evelien | Thesis | | 2012 |
| The Dynamic of Irwin's Forgottten Army : A Strategic Understanding of the British Army's Role in Northern Ireland after 1998 | Bass, ChristopherSmith, M. L. R. | Article in Journal | | 2004 |
| The Earl of Desmond's navy | O'Brien, Niall | Article in Journal | | 2008 |
| The earl of Essex as strategist and military organizer (1596-7) | Henry, L. W. | Article in Journal | | 1953 |
| The early life of Sir William Brereton, the parliamentary commander | Dore, R. N. | Article in Journal | | 1954 |
| The Easter 1916 rising in Dublin : the military aspects | Hally, P. J. | Article in Journal | | 1966 |
| The Edwards family of Oldcourt, Bray and Knockrobin, Wicklow | O'Reilly, Vincent | Article in Journal | | 2019 |
| The effect of social and political crime on the police and British army in Northern Ireland | Fisk, Robert | Article in Book | | 1978 |
| The Elizabethan conquest of Ireland : a pattern established, 1565-1576 | Canny, Nicholas P. | Monograph or Collective Volume | Harvester P. | 1976 |
| The Elizabethan soldier in Ireland | Falls, Cyril Bentham | Article in Journal | | 1951 |
| The Elizbethan navy in Ireland (1558-1603) | Glasgow, Tom, jr. | Article in Journal | | 1966 |
| The Ellis Quarry killings, 10 July 1921. What was the context of one of the most controversial incidents of the War of Independence | Ó Ruairc, Pádraig Óg | Article in Journal | | 2016 |
| The Emergency 1940-1946 : Carlow men who served | Murphy, Seamus | Article in Journal | | 1996 |
| The emergency army | O'Carroll, Donal | Article in Journal | | 1993 |
| The Emergency: A visual history of the Irish Defence Forces during the Second World War, 1939 -1945 | Ayiotis, DanielGibney, JohnKennedy, Michael (Michael J.) | Monograph or Collective Volume | Eastwood | 2019 |
| The Empire's War Recalled : Recent Writing on the Western Front Experience of Britain, Ireland, Australia, Canada, India, New Zealand, South Africa and the West Indies | Connor, John | Article in Journal | | 2009 |
| The English Civil War : the essential readings | | Monograph or Collective Volume | Blackwell Publishers | 2000 |
| The English Navy in an Irish war : Captain George Rooke's squadron and the Jacobite war in Ireland, summer 1689 | Meredith, Jon | Article in Journal | | 2009 |
| The establishment of a statutory militia in Ireland, 1692-1716 : legislative processes and Protestant mentalities | Garnham, Neal | Article in Journal | | 2011 |
| The establishment, the forces of law and order and the transportation of Rockites | Feeley, Pat | Article in Journal | | 1988 |
| The experience of an Irish town in the First World War. Kilrush and the Munster Fusiliers | Staunton, Martin | Article in Journal | | 1993 |
| The F.C.A. amd me | Kelly, Mike | Article in Journal | | 2007 |
| The Famine Journal of Lieutenant H.N. Greenwell, 1846-7 | MacMahon, Bryan | Article in Journal | | 2015 |
| The far side of the world : Irish servicemen in the Korea War, 1950-53 | Durney, James | Monograph or Collective Volume | The author | 2005 |
| The father of the Argentine navy | MacCall, Séamus | Article in Journal | | 1941 |
| The father of the Argentine navy, Admiral Brown | Aldeano, Juan | Article in Journal | | 1940 |
| The FCA, 1946-2005 | O'Reilly, Terry | Article in Journal | | 2011 |
| The Fenain infiltration of the British army | Semple, A. J. | Article in Journal | | 1974 |
| The Fenian infiltration of the British army in Ireland, 1863-6 | Semple, A.J. | Thesis | | 1971 |
| The Fenian plot to kill the future King George V | Jobb, Dean | Article in Journal | | 2021 |
| The Fenian troubles and Canadian military development, 1865-1871 | Stacey, Charles Perry | Article in Journal | | 1936 |
| The FF Badge | Anonymous | Article in Journal | | 2010 |
| The fighting Irish : the story of the extraordinary Irish soldier | Newark, Tim (Timothy) | Monograph or Collective Volume | Constable | 2012 |
| The fighting Irish in the Congo | Smith, Raymond | Monograph or Collective Volume | Lilmac | 1962 |
| The Fire King: Capt. Sir Eyre Massey Shaw | Poland, Pat | Article in Journal | | 2021 |
| The first Hussar uniform worn by the 8th King's Royal Irish Hussars, c. 1823 | Buckell, L. E. | Article in Journal | | 1952 |
| The first regiment of the Pennsylvania line - the most famous body of men in the continental army | O'Brien, Michael J. | Article in Journal | | 1922 |
| The First World War diary of Anketell Gerald Moutray | McKenna, Ellen | Article in Journal | | 2012 |
| The First World War remembered | McCarter, Bob, b.1899 | Article in Journal | | 2006 |
| The Fixed Defences of Eire in the Emergency, 1940-1946 | Clements, W.H. | Article in Journal | | 2018 |
| The flags and uniforms of the Irish Volunteers and Yeomanry | Thompson, F. Glenn | Article in Journal | | 1990 |
| The flame and the candle : war in Mayo, 1919-1924 | Price, Dominic | Monograph or Collective Volume | Collins | 2012 |
| The foot soldiers' stories | Various authors | Article in Book | | 2005 |
| The forces of the crown in Ireland, 1798 | Griffin, W. D. | Article in Book | | 1969 |
| The forces of the Crown in Ireland, 1798 | Griffin, W. D. | Article in Book | | 1969 |
| The forgotten volunteers of World War II | Girvin, BrianRoberts, Geoffrey | Article in Journal | | 1998 |
| The forgotten volunteers: Irish service in the British armed forces during World War II | McElwaine, Aidan Joseph | Thesis | | 1998 |
| The French are on the sea ... a military history of Killiney Bay from 1793 to 1815 | Ó Duibhir, P. | Article in Journal | | 1997 |
| The French at Mullaghmore | McGowan, Joe | Article in Journal | | 2015 |
| The French expedition to Candie, 1668-9 | Ó hAnnracháin, Eoghan | Article in Journal | | 2013 |
| The French invasion of Connaght, 1798 : some problems in numbers | McAnally, Henry, Sir | Article in Journal | | 1945 |
| The French navy and the Jacobite war in Ireland, 1689-91 | Mulloy, Sheila | Article in Journal | | 1990 |
| The frightened junto : perceptions of Ireland, and the last attempts at settlement with Charles I | Adamson, John Sonley Anthony | Article in Book | | 2001 |
| The Gallipoli and Salonika diaries of Lieutenant Louis Cassidy, R.A.M.C. (1877-1928) | Sweetman, Roger | Article in Journal | | 2017 |
| The Gallipoli diary of Major Bryan Cooper, 5th Battallion, Connaught Rangers | Cooper, Bryan | Article in Journal | | 2012 |
| The gallóglach axe | Mahr, Adolf | Article in Journal | | 1938 |
| The gallóglach axe | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Journal | | 1936 |
| The Galway Militia and the Harrison and Seymour families | Wilkins, David | Article in Journal | | 2012 |
| The Galway Militia from 1793 | Wilkins, David | Article in Journal | | 1998 |
| The garrison of Fort Wellington : a military dispute during the Fenian troubles | Stacey, Charles Perry | Article in Journal | | 1932 |
| The Genealogy of James Wolfe | Wagner, Anthony R. | Article in Journal | | 2015 |
| The generalship of Peter Lacy | Jordan, John | Article in Journal | | 1955 |
| The geography of revolution - the case of County Longford, 1917-1921 | Coleman, Marie | Article in Journal | | 2013 |
| The geopolitics of Anglo-Irish relations in the twentieth century | Sloan, Geoffrey R. | Monograph or Collective Volume | Leicester University Press | 1997 |
| The Glen of Imaal disaster | O'Reilly, Terence | Article in Journal | | 2019 |
| The glorious twelfth : a brief history | Keane, PauricSwords, Freddie | Article in Journal | | 1989 |
| The Gorgeous Wrecks and the opening shots in the Battle of Mount Street | Pegum, Michael | Article in Journal | | 2017 |
| The government and the army | Pollock, Arthur Williamson Alsager | Article in Journal | | 1914 |
| The government forces engaged at Castlebar in 1798 | McAnally, Henry | Article in Journal | | 1945 |
| The government forces which opposed the Irish insurgents of 1798 | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Journal | | 1959 |
| The Graney ambush, 1922 | Durney, James | Article in Journal | | 2019 |
| The great push : an episode of the Great War | MacGill, Patrick, 1890-1963Osborne, Brian D. | Monograph or Collective Volume | Birlinn | 2000 |
| The great withdrawal | Buttimer, John | Article in Journal | | 1979 |
| The greatness of Oliver Cromwell | Ashley, Maurice Percy | Monograph or Collective Volume | Hodder and Stoughton | 1957 |
| The Green Howards | Powell, Geoffrey | Monograph or Collective Volume | | 1968 |
| The Grubbs of Tipperary : Studies in Heredity and character | Grubb, Geoffrey Watkins | Monograph or Collective Volume | The Mercier Press | 1972 |
| The Hadsors and some other Louth exiles in France and Spain | Walsh, Micheline | Article in Journal | | 1977 |
| The Harold-Barrys of Doneraile, brothers, cousins, nephew and uncle, in arms | Linehan, Barry | Article in Journal | | 2016 |
| The height of Irishmen and Englishmen in the 1770s : some evidence from East India Company records | Mokyr, JoelÓ Gráda, Cormac | Monograph or Collective Volume | Dept of Political Economy, U.C.D. | 1988 |
| The height of Irishmen and Englishmen in the 1770s : some evidence from the East India Company Army records | Mokyr, JoelÓ Gráda, Cormac | Article in Journal | | 1989 |
| The Hely-Hutchinson brothers and the First World War | Mc Quinn, Colm | Article in Journal | | 2014 |
| The history of the 36th (Ulster) Division | Falls, Cyril Bentham | Monograph or Collective Volume | Constable | 1996 |
| The history of the first seven Battalions, The Royal Irish Rifles ... in the Great War | Falls, Cyril Bentham | Monograph or Collective Volume | | 1925 |
| The history of the Royal Munster Fusiliers, 1 : From 1652 to 1860; 2 : From 1861 to 1922 disbandment. 2 vols. | MacCance, Stouppe | Monograph or Collective Volume | | 1927 |
| The hobelar : an Irish contribution to mediaeval warfare | Lydon, James F. | Article in Journal | | 1954 |
| The Honourable Robert Edward Clifford (fl. 1788-1817) : officer in Dillon's regiment | Ravenhill, William | Article in Journal | | 1991 |
| The hound of Ulster and the re-writing of Irish history | McAuley, James WhiteMcCormack, Joe | Article in Journal | | 1990 |
| The impact of political unrest in Ireland on Irish soldiers in the British army, 1914-18: a re-evaluation | Destenay, Emmanuel | Article in Journal | | 2018 |
| The impact of the First World War on Ireland and Australia | Kildea, Jeff | Article in Journal | | 2015 |
| The impact on the Commissioners of Irish Lights of the war at sea and the Easter Rising | Kennedy, Michael | Article in Journal | | 2017 |
| The imperial service of William Aylmer, 1800-14 | Aylmer, Richard John | Article in Journal | | 1997 |
| The incredible life of William Coman | Finnan, Kevin | Article in Journal | | 2015 |
| The infamous North Cork militia | Lynch, Pat | Article in Journal | | 1989 |
| The infantry regiment of Athlone | Murtagh, Diarmuid | Article in Journal | | 1947 |
| The Irish amateur military tradition in the British Army, 1854-1992 | Butler, William | Monograph or Collective Volume | Manchester UP | 2016 |
| The Irish amateur military tradition in the British Army, c.1854-1945 | Butler, William Marsh | Thesis | | |
| The Irish and India : imperialism, nationalism and internationalism | Holmes, Michael | Article in Book | | 2000 |
| The Irish armed forces, 1660-1685 | Beckett, J. C. (James Camlin) | Article in Book | | 1976 |
| The Irish Army and state security policy, 1956-1974 | Longwill, Edward | Thesis | | 2009 |
| The Irish army and the Emergency | Joye, Lar | Article in Journal | | 2019 |
| The Irish army and the revolution of 1688 | Melvin, P. | Article in Journal | | 1970 |
| The Irish army cap badge | McDonnell, Joe | Article in Journal | | 2016 |
| The Irish army in the Congo, 1960-1964 : the far battalions | | Monograph or Collective Volume | Irish Academic Press | 2005 |
| The Irish army list, 1671 | McCarthy, William | Article in Journal | | 1970 |
| The Irish Artillery Corps since 1922 | Riccio, Ralph A. | Monograph or Collective Volume | Mushroom Model Publications | 2012 |
| The Irish at Bunker Hill : evidence of Irish participation in the battle of 17th June 1775 | O'Brien, Michael JosephSullivan, A. M.Sullivan, Catherine | Monograph or Collective Volume | Irish University Press | 1968 |
| The Irish at Gallipoli | Kildea, Jeff | Article in Journal | | 2015 |
| The Irish at the front. With an introduction by John Redmond | MacDonagh, Michael | Monograph or Collective Volume | | 1916 |
| The Irish Brigade and its campaigns | Conyngham, David Power | Monograph or Collective Volume | Fordham University Press | 1994 |
| The Irish Brigade at Fredericksburg | Jones, F. | Article in Journal | | 1963 |
| The Irish Brigade at Lafelt 1747 : Pyrrhic victory and aftermath | Ó hAnnracháin, Eoghan | Article in Journal | | 1997 |
| The Irish brigade of France at the siege of Savannah, 1779 | Murphy, W. S. | Article in Journal | | 1955 |
| The Irish brigades 1685-2006 : a gazetteer of Irish military service, past and present | Murphy, David (David James), 1968- | Monograph or Collective Volume | Four Courts | 2007 |
| The Irish Canadian Rangers in Ireland, 1917 | Kinsella, Anthony | Article in Journal | | 2017 |
| The Irish career of an English Highwayman: Captain Swift Nix [or Nicks] (1638-1688) | Harris, Amy Louise | Article in Journal | | 2021 |
| The Irish Civil War | Morrison, George, 1922- | Monograph or Collective Volume | Gill & Macmillan | 1981 |
| The Irish company in the Franco-Prussian war, 1870-71 | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Journal | | 1953 |
| The Irish Defence Forces 1940-49 : the Chief of Staff's reports | Mangan, Colm | Article in Journal | | 2012 |
| The Irish Defence Forces, 1922-2022: Servant of the Nation | Kinsella, Eoin | Monograph or Collective Volume | Four Courts Press | 2023 |
| The Irish Defence Forces, 1940-1949 | | Monograph or Collective Volume | Irish Manuscripts Commission | 2012 |
| The Irish defences forces and the U.N. | Anonymous | Article in Journal | | 1996 |
| The Irish dragoons in the Amerian civil war | Garland, J. L. | Article in Journal | | 1950 |
| The Irish establishment | Johnston, S. H. F. | Article in Journal | | 1949 |
| The Irish flagship : the story of HMS Emerald, 1925-1948 | Haskins, Geoffrey | Monograph or Collective Volume | Arcturus | 2000 |
| The Irish Guards in the Great War | | Monograph or Collective Volume | | 1923 |
| The Irish Guards in the Great War. Vol. 1 : The First Battalion; Vol. 2 : The Second Batallion | Kipling, Joseph Rudyard, 1865-1936Webb, George | Monograph or Collective Volume | Spellmount | 1997 |
| The Irish Guards roll of honour : 1939 to 1945 | Walsh, Jean M.Walsh, R. Raymond | Monograph or Collective Volume | T.H.C.L. | 1999 |
| The Irish horse regiments of the eighteenth century | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Journal | | 1969 |
| The Irish in the Spanish armies in the seventeenth century | Mesa, Eduardo de | Monograph or Collective Volume | Boydell | 2014 |
| The Irish insurgency 1918-21 : the military problem | Townshend, Charles | Article in Book | | 1979 |
| The Irish Jacobite army, 1688-92 | Murtagh, Diarmuid | Thesis | | 1955 |
| The Irish lineage of the 69th Pennsylvania Volunteers | Kane, Michael H. | Article in Journal | | 1991 |
| The Irish Marine Companies of the Spanish Atlantic Navy, 1603-1639 | Mersa, Eduardo de | Article in Journal | | 2020 |
| The Irish military establishment, 1660-1776 | Guy, Alan J. (Alan James) | Article in Book | | 1996 |
| The Irish militia, 1793-1802 | Nelson, Ivan Francis | Thesis | | 2001 |
| The Irish militia, 1793-1816 : a social and military study | Macanally, H. W. W. | Monograph or Collective Volume | | 1949 |
| The Irish militia, 1793-1816 : a social and military study | McAnally, Henry, Sir | Monograph or Collective Volume | Clonmore & Reynolds | 1949 |
| The Irish navy : a story of courage and tenacity | MacGinty, Tom | Monograph or Collective Volume | Kerryman | 1995 |
| The Irish on the Somme, being the second series of 'The Irish at the Front'. With an introduction by John Redmond | MacDonagh, Michael | Monograph or Collective Volume | | 1917 |
| The Irish question, 1840-1921 : A commentary on Anglo-Irish relations and on social and political forces in Ireland in the age of reform and revolution. | Mansergh, Nicholas, 1910-1991 | Monograph or Collective Volume | | 1965 |
| The Irish question, 1840-1921 : a commentary on Anglo-Irish relations and on social and political forces in Ireland in the age of reform and revolution. | Mansergh, Nicholas, 1910-1991 | Monograph or Collective Volume | Allen & Unwin | 1975 |
| The Irish rebellion : the 26th Sherwood Foresters' part in the defeat of the rebels in 1916 : their early training | Edmunds, Gerald James | Monograph or Collective Volume | Derbyshire Times | 1965 |
| The Irish rebellion in the 6th Divisional area. From after the 1916 Rebellion to December 1921.An account compiled in 1922 by the general staff, 6th Division. Printed from Sir Peter Strickland's typescript copy in the Imperial War Museum; with introduction and notes by Patrick McCarthy. | | Article in Journal | | 2010 |
| The Irish rebellion of 1798 : two first hand accounts | | Article in Journal | | 1974 |
| The Irish regiments : a pictorial history 1683-1987 | Harris, R. G. | Monograph or Collective Volume | Nutshell Publishing | 1989 |
| The Irish regiments in France : an overview of the presence of Irish soldiers in French service, 1716-1791 | Ó Conaill, Colm James | Article in Book | | 2004 |
| The Irish regiments in the first world war | Harris, H. E. D. | Monograph or Collective Volume | Mercier Press | 1968 |
| The Irish regiments in the Spanish service | McDermott, Anthony | Article in Journal | | 1952 |
| The Irish regiments of the line in the British army | Atkinson, C. T. | Article in Journal | | 1950 |
| The Irish regiments, 1683-1999 | Harris, R. G. | Monograph or Collective Volume | Spellmount | 1999 |
| The Irish Sailors' and Soldiers' Land Trust and its Killester nemesis | Brady, JosephLynch, Patrick | Article in Journal | | 2009 |
| The Irish Sea : Aspects of Maritime History | | Monograph or Collective Volume | Queen's University of Belfast, Institute of Irish Studies | 1989 |
| The Irish Sea-Officers of the Royal Navy, 1793-1815 | Brown, Anthony Gary | Article in Journal | | 1999 |
| The Irish soldier in the Boer War | Jeffery, Keith | Article in Book | | 2000 |
| The Irish tragedy at Jutland in 1916 - the Cork sailors and some West Cork families | Mc Carthy, Tony | Article in Journal | | 2016 |
| The Irish troops in England, 1688-9 | Melvin, Patrick | Thesis | | 1969 |
| The Irish troubles : a generation of violence, 1967-1992 | Bell, J. Bowyer | Monograph or Collective Volume | Gill & Macmillan | 1993 |
| The Irish underground and the war of independence, 1919-1921 | Bowden, Tom | Article in Book | | 1975 |
| The Irish volunteers 1715-1793 : a list of the units | Ó Snodaigh, Pádraig | Monograph or Collective Volume | Irish Academic Press | 1995 |
| The Irish war | Geraghty, Tony | Monograph or Collective Volume | HarperCollins | 1998 |
| The Irish War of Independence : context and meaning | Townshend, Charles | Article in Book | | 2012 |
| The Irish who fought with the Boers, 1899-1902 | Wheatley, P. | Article in Journal | | 1987 |
| The Irish yeomanry and the 1798 rebellion | Blackstock, Allan | Article in Book | | 2003 |
| The Irish yeomanry, 1796-1834 | Blackstock, Allan | Monograph or Collective Volume | Four Courts | 1998 |
| The Islandeady ambush | Duffy, Jarlath | Article in Journal | | 1990 |
| The journal of Captain Joseph Bull | Aldridge, R. B. | Article in Journal | | 1968 |
| The journal of Corporal William Todd 1745-1762 | | Monograph or Collective Volume | Sutton for the Army Records Society | 2001 |
| The Killeshandra yeomanry, Rosduff and Ballinamuck | Rehill, Pádraig | Article in Book | | 1998 |
| The killing of Lieutenant J.H. Wogan-Browne at Kildare on 10 February 1922: a test of Anglo-Irish relations | McLoughlin, Mark | Article in Journal | | 2013 |
| The Kirkwoods and Woodbrook | Smith, Des | Article in Journal | | 1998 |
| The Knoxes of Dungannon and the Irish yeomanry | Blackstock, Allan | Article in Book | | 2000 |
| The Labour government's Northern Ireland policy 1964 - August 1969 | Rose, Peter | Thesis | | |
| The Labour Government, the Army and the Crisis of the British State over Northern Ireland, 1972-6 | Dixon, Paul | Article in Journal | | 2025 |
| The Laggan Army Land Leases 1642-65 | Hanna, Sam | Article in Journal | | 2015 |
| The last earls of Tyrone in Spain and Captain Bernardo O'Neill, illegitimate son of Eoghan Rua | Walsh, M. K. | Article in Journal | | 1988 |
| The Last Man's Club of Battery B | Johnson, Jack J. | Article in Journal | | 2014 |
| The last of the guard | MacCarron, Donal | Article in Journal | | 1996 |
| The Leinster regiment | Jones, Mark | Monograph or Collective Volume | | 2023 |
| The Leinster Regiment and the Malabar rebellion of 1921 - 'Another Irish question' | Dunne, Terry | Article in Journal | | 2021 |
| The letter-book of General de Zubiaur : a calendar of the 'Irish' letters | Coombes, JamesWare, N. J. | Article in Journal | | 1978 |
| The letters of George Wardell and the battle of Isandlwana, 1879. The recent acquisition of the family papers of lesser-known British Army Officer by Maynooth University Library will add greatly to the rich historiography of the Anglo-Zulu war. | Diver, Luke | Article in Journal | | 2016 |
| The libelle of Englyshe polycye : A poem on the use of sea-power, 1436 | | Monograph or Collective Volume | | 1926 |
| The life and death of Timothy Quinlisk: the Waterford connections to Roger Casement's Irish Brigade | McCarthy, Pat | Article in Journal | | 2012 |
| The life and times of J.B. Malone, founder of the Wicklow Way, map-maker, soldier, historian and author | Fewer, Michael | Article in Journal | | 2017 |
| The life and times of James Daly alias Jack Hart (1887-1917) | Ó Dálaigh, Art | Article in Journal | | 2013 |
| The life and times of Thomas Kettle | Sutherland, Richard S. | Article in Journal | | 1982 |
| The life of Patrick Sarsfield | Todhunter, J. | Monograph or Collective Volume | | 1895 |
| The Limerick Club and garrison fancy dress balls | Gonzalez, Christine | Article in Book | | 2000 |
| The lineage of the Tipperary militia regiments | Thompson, F. Glenn | Article in Journal | | 1991 |
| The link between the Dublin Rebellion and the Lowestoft Raid of 25 April 1916 | Ferguson, Kenneth | Article in Journal | | 2017 |
| The Liverpool Irish Volunteers | Forde, Frank | Article in Journal | | 1983 |
| The local security forces in Westport 1940-1945 | Keane, Vincent | Article in Journal | | 2008 |
| The location of British army records, 1914-1918 | Holding, Norman | Monograph or Collective Volume | Federation of Family History Societies | 1991 |
| The Loch Ryan - A West Cork schooner - attacked by the German Air Force. A family ruined and the shameful attitude of two governments | MacSweeney, Tom | Article in Journal | | 2014 |
| The logic of collective sacrifice : Ireland and the British army, 1914-1918 | Fitzpatrick, David | Article in Journal | | 1995 |
| The longest walk : the world of bomb disposal | Birchall, Peter | Monograph or Collective Volume | Arms & Armour | 1997 |
| The longphort phenomenon in Early Christian and Viking Ireland | Gibbons, Michael | Article in Journal | | 2004 |
| The loss and the Leinster | Scannell, James | Article in Journal | | 2003 |
| The lost dictator : a biography of Field-Marshal Sir Henry Wilson, Bart., G.C.B., D.S.O., M.P. | Ash, Bernard | Monograph or Collective Volume | | 1968 |
| The Louth militia mutiny of 1900 | Hall, Donal | Article in Journal | | 1998 |
| The Louth Rifles, 1877-1908 | | Monograph or Collective Volume | Dun Laoghaire Genealogical Society | 2000 |
| The Mallow FCA: 1959-61 | Ryan, Daniel J. | Article in Journal | | 2015 |
| The man Wellington through the eyes of those who knew him | Wellesley, Muriel Alice | Monograph or Collective Volume | Constable | 1937 |
| The Marine service | Brunicardi, Daire | Article in Journal | | 1993 |
| The marine service | Brunicardi, Daire | Article in Journal | | 1989 |
| The maritime links | Ireland, John de Courcy, 1911-2006 | Article in Book | | 1994 |
| The marshal duke of Berwick; the picture of an age | Petrie, Charles Alexander, Sir | Monograph or Collective Volume | | 1953 |
| The massacre at Dun an Óir, 1580 | Ó Tuathaigh, M. A. G. (Gearóid) | Monograph or Collective Volume | Cló Dhuibhne | 1980 |
| The massacre at Smerwick (1580) | O'Rahilly, Alfred | Article in Journal | | 1937 |
| The McClintock family : forbears of great Ulster field-marshals | Abbott, Wilfrid | Monograph or Collective Volume | | 1948 |
| The meat grinder | McLaughlin, Terry | Article in Journal | | 2014 |
| The Memorial to Sir Henry Pottinger in St George's Church, Belfast, and the Duke of Wellington | Ferguson, Kenneth | Article in Journal | | 2020 |
| The men of Wicklow Parish in the Great War 1914-1918 | Goodman, John | Article in Journal | | 2019 |
| The Micks : the story of the Irish guards | Verney, Peter | Monograph or Collective Volume | Peter Davies | 1970 |
| The military array of 1756 in Ireland | McAnally, Henry | Article in Journal | | 1951 |
| The military burials and memorials at Birr: From the pyramids of Egypt to the beaches of Normandy | Callaghan, Stephen | Article in Journal | | 2013 |
| The military career of Thomas North | Davis, H. H. | Article in Journal | | 1949 |
| The military correspondence of Field Marshal Sir Henry Wilson, 1918-22 | Jeffery, KeithWilson, Henry Hughes, Sir, 1864-1922 | Monograph or Collective Volume | Bodley Head for the Army Records Society | 1985 |
| The military in a divided society : the occupational outline of soldiers in Northern Ireland | Mapstone, Richard | Article in Journal | | 1993 |
| The military in Kilkenny 1800-1870 | O Bolguidhir, Liam | Article in Journal | | 2006 |
| The Military Pensions Act (1934) na the 3rd Tipperary Brigade: Recent acquisition for Tipperary studies | Darmody, Mary GuinanMarnane, Denis, G. | Article in Journal | | 2012 |
| The military planning of the 1798 rebellion in Wexford | Gahan, Daniel | Article in Book | | 1996 |
| The military police through the years | Fitzmaurice, J. | Article in Journal | | 1991 |
| The military revolution in seventeenth-century Ireland | Loeber, RolfParker, Geoffrey | Article in Book | | 1995 |
| The Military Service Pensions Project and Irish history : a personal perspective | O'Halpin, Eunan | Article in Book | | 2012 |
| The militia array of 1756 in Ireland | McAnally, Henry, Sir | Article in Journal | | 1949 |
| The militia in eighteenth-century Ireland : in defence of the Protestant interest | Garnham, Neal | Monograph or Collective Volume | Boydell Press | 2012 |
| The militia in Munster, 1715-1778 | O'Donovan, Jim | Article in Book | | 1989 |
| The militia, Saintfield | Perceval-Price, M. C. | Article in Journal | | 1986 |
| The misfit soldier : Edward Casey's war story, 1914-1918 | | Monograph or Collective Volume | Cork University Press | 1999 |
| The mobilization of manpower for Britain's mid-eighteenth-century wars | Conway, Stephen | Article in Journal | | 2004 |
| The Monaghan Militia & the tragedy of Blaris Moor | MacDonald, Brian | Article in Journal | | 1998 |
| The Monaghan Spitfire - life on the border with a world at war | | Article in Journal | | 2018 |
| The Morgan legacy : the man who paved the way to American Independence : the story of Daniel Morgan | Morgan, Anne Patricia | Monograph or Collective Volume | The author | 1999 |
| The Mount Street action, April 26, 1916 | Ó hUid, T. C. | Article in Journal | | 1966 |
| The Mulcahy tapes & papers | Mulcahy, Risteard | Article in Journal | | 2000 |
| The Munster Fusiliers and the South African war 1899-1902, part 1-3 | Ryan, Desmond | Article in Journal | | 1999 |
| The murder of Patrick Howard: A case study of police crime in the War of Independence | Leeson, D.M. | Article in Journal | | 2012 |
| The muster poll of c.1630, Co. Cavan | Hunter, R. J. (Robert J.)Perceval-Maxwell, Michael | Article in Journal | | 1978 |
| The muster roll of Co. Downe c.1631 : the names of the Lord Viscount Clannaboyes men and armes as followeth | Anonymous | Article in Journal | | 1989 |
| The mutiny of the garrison | McConnell, Charles | Article in Journal | | 1995 |
| The mystery remains : when was he born? when did he die? | Hanson, Maureen | Article in Journal | | 2002 |
| The Nairac affair | Ó Cuinneagáin, Mícheál | Monograph or Collective Volume | The author | 1981 |
| The National Army enters Cork August 1922. A diary account by Mr Frank Brewitt | Donnelly, Brian | Article in Journal | | 1994 |
| The naval defence of Ireland during the French Revolutionary and Napoleonic Wars | Wilson, Evan | Article in Journal | | 2019 |
| The naval forces of the Irish State, 1922-77 | Ó Confhaola, Pádhraic | Thesis | | 2010 |
| The naval power of Norse Dublin | Holm, Poul | Article in Book | | 2015 |
| The Nenagh mutiny, 7 - 9 July 1856 | O'Brien, Louis | Article in Journal | | 2004 |
| The new model army in England, Ireland and Scotland, 1645-1653 | Gentles, Ian | Monograph or Collective Volume | Blackwell Publishers | 1991 |
| The night the Tans came | Moran, Anthony | Article in Journal | | 1998 |
| The North Cork militia | Shine, Michael | Article in Journal | | 1998 |
| The North Irish Horse : a hundred years of service | Doherty, Richard | Monograph or Collective Volume | Spellmount | 2002 |
| The northern flight : Irish soldiers in seventeenth-century Scandinavia | Murdoch, Steve | Article in Book | | 2010 |
| The O'Byrn family in the army of Saxony | Garland, John | Article in Journal | | 1983 |
| The O'Neylons of Dysert and Austria | McInerney, Luke | Article in Journal | | 2018 |
| The Officer Corps and Army Command in the British Isles, 1620-1660 | Bennett, Martyn | Article in Book | | 2003 |
| The old army : a portrait of the American army in peacetime, 1784-1898 | Coffman, Edward | Monograph or Collective Volume | Oxford University Press | 1986 |
| The operations of the parliamentary squadron at the siege of Duncannon in 1645 | Powel, J. R. | Article in Journal | | 1954 |
| The ordinances of the White Earl and the problem of coign in the later middle ages | Empey, C. A. (Adrian)Simms, Katharine | Article in Journal | | 1975 |
| The Ordnance Service: the first model (1936) Officer's full dress uniform | Thompson, F. Glenn | Article in Journal | | 2011 |
| The organisation of King William's army in Ireland, 1689-92 | Ferguson, Kenneth | Article in Journal | | 1990 |
| The organisation of the Irish army 1939-45 : an overview | O'Neill, Michael S. | Article in Book | | 2004 |
| The organisation of the Irish Army 1939-45: an overview | O'Neill, Michael S. | Article in Journal | | 2004 |
| The original Kennedy cadets | Gibson, William H. | Article in Journal | | 2013 |
| The origins and development of the Cadet School | O'Brien, B. | Article in Journal | | 1979 |
| The Outbreak of the Civil Wars in the Three Kingdoms | Peacey, Jason | Article in Book | | 2003 |
| The Peake brothers at war, 1914-1918 | Gordon, Harold | Article in Journal | | 2004 |
| The Peninsular romance of Lieutanant Waldron Kelly and Ana Ludovina de Aguilar | Beresford, Marcus de la Poer | Article in Journal | | 2020 |
| The personality of Admiral Brown | Levene, Ricardo | Article in Journal | | 1957 |
| The phantom army of 1169 : an Anglo-Norman view | Mullally, Evelyn | Article in Journal | | 1999 |
| The Phoenix Park depot | Carey, Patrick | Article in Journal | | 1972 |
| The Picardy companies, 1598-99 : an Elizabethan regiment in Ireland | Graham, Andrew | Article in Journal | | 1998 |
| The pipes they are a-calling | Cullimore, Caroline | Article in Journal | | 1995 |
| The place of Ireland in naval history | Ireland, John de Courcy, 1911-2006 | Article in Journal | | 2002 |
| The plan of the Golden Fort at Smerwick, 1580 | Jones, Frederick | Article in Journal | | 1954 |
| The poet and the mutinies : Pádraigín Haicéad and the Munster army in 1647 | Ó hAnnracháin, Tadhg | Article in Journal | | 2008 |
| The political and social thought of John Boyle O'Reilly | Kenneally, Ian | Article in Journal | | 2013 |
| The politics of force : conflict management and state violence in Northern Ireland | Ní Aoláin, Fionnuala | Monograph or Collective Volume | Blackstaff Press | 2000 |
| The Portarlington connection with the Peninsular War, the Battle of Waterloo and the defeat of Napoleon | Mathews, R.G. | Article in Journal | | 2010 |
| The press-gang afloat and ashore | Hutchinson, J. R. | Monograph or Collective Volume | | 1913 |
| The price of containment : deaths and debate on Northern Ireland in the House of Commons, 1968-94 | O'Duffy, Brendan | Article in Book | | 1996 |
| The problem of Robert Matthews | Haines, Keith | Article in Journal | | 2003 |
| The quest for Major General Sir Edward Butler KMT | Wissick, Diana | Article in Journal | | 1991 |
| The R.A.F. and Ireland, 1920-22 | McCarthy, Patrick | Article in Journal | | 1989 |
| The Rabble and the Republic | Dorney, John | Article in Journal | | 2016 |
| The raising of the Connaught Rangers, 1793 | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Journal | | 1945 |
| The Rapparees in the War of 1689-91 | Murtagh, Harman | Article in Journal | | 2021 |
| The reactions of Irish officers in the British army to the Easter Rising of 1916 | Leonard, Jane | Article in Book | | 1996 |
| The reasons why | Smith, Cecil Blanche Woodham-, 1896-1977 | Monograph or Collective Volume | Constable | 1953 |
| The red coat and the green | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Journal | | 1948 |
| The regiment of Clare, 1689-1775 | Kennedy, Kieran A. | Article in Journal | | 2001 |
| The regiment of Dillon of the Irish Brigade in the French Service | Steele, R. V. | Article in Journal | | 1957 |
| The regiment of MacElligott 1688-89 | Garland, J. L. | Article in Journal | | 1950 |
| The regiment of Walter Bourke | Murtagh, Diarmuid | Article in Journal | | 1949 |
| The regimental history of Cromwell's army | Davis, GodfreyFirth, Charles Harding, Sir, 1857-1936 | Monograph or Collective Volume | Clarendon Press | 1991 |
| The Rev'd Charles Josiah Hort (1820-1887), garrison chaplain at Dublin during the Crimean War | Huddie, Paul | Article in Journal | | 2012 |
| The rifles are there : The story of the 1st and 2nd Battalions The Royal Ulster Rifles 1939-1945 | Orr, David R.Truesdale, David | Monograph or Collective Volume | Pen & Sword Military | 2005 |
| The rigger : operating with the SAS | Williams, Jack | Monograph or Collective Volume | Cooper | 2001 |
| The rise of the yeomanry | Morton, R. G. | Article in Journal | | 1967 |
| The road to Bloody Sunday | McClean, Raymond | Monograph or Collective Volume | Guildhall Press | 1997 |
| The Road to Farndon Field : explaining the massacre of the Royalist women at Naseby | Stoyle, Mark | Article in Journal | | 2008 |
| The road to the Somme : men of the Ulster Division tell their story | Orr, Philip | Monograph or Collective Volume | Blackstaff Press | 2008 |
| The road to the Somme : men of the Ulster Division tell their story | Orr, Philip | Monograph or Collective Volume | Blackstaff Press | 1987 |
| The Roche brothers at war | Roche, Peter | Article in Journal | | 2010 |
| The role and effect of violence on the Ulster Defence Regiment in South Armagh | Herron, S. W. | Thesis | | |
| The role and powers of the army in Northern Ireland | Walker, Clive | Article in Book | | 1992 |
| The role of the historical adviser and the Bloody Sunday Tribunal | Bew, Paul | Article in Journal | | 2005 |
| The Royal Air Force in west Mayo 1918-21 | Mac Evilly, Myles | Article in Journal | | 2022 |
| The Royal Dublin Fusiliers : Where Did They Come From? | Burke, Tom | Article in Journal | | 2004 |
| The Royal Dublin Fusiliers in the great war | Burke, Tom | Article in Journal | | 2005 |
| The Royal Hospital, Kilmainham | Tobin, E. H. | Article in Journal | | 1966 |
| The Royal Inniskilling Fusiliers. Being the history of the regiment from December 1688 to July 1914. Compiled under the direction of a Regimental Historical Records Committee. | Anonymous | Monograph or Collective Volume | | 1934 |
| The Royal Irish Artillery, 1755-1801 | Forde, Frank | Article in Journal | | 1973 |
| The Royal Irish Fusiliers (The 87th and 89th Regiments of Foot). | Harris, Henry | Monograph or Collective Volume | Cooper | 1972 |
| The Royal Irish Fusiliers, 1793-1950 | Cunliffe, Marcus Falkner, 1922-1990 | Monograph or Collective Volume | Oxford University Press | 1952 |
| The Royal Irish Fusiliers, 1793-1968 | Cunliffe, Marcus Falkner, 1922-1990 | Monograph or Collective Volume | Oxford University Press | 1952 |
| The Royal Irish Rangers : 27th (Inniskilling) 83rd and 87th formed from the Royal Inniskilling Fusiliers, The Royal Ulster Rifles and the Royal Irish Fusiliers on 1st July 1968 | Anonymous | Monograph or Collective Volume | Royal Irish Rangers | 1992 |
| The royal military infirmary - department of defence and army headquarters | Tobin, E. H. | Article in Journal | | 1968 |
| The Royal Munster Fusiliers | Dooley, Tom | Article in Journal | | 1998 |
| The Royal Munster Fusiliers in the Great War, 1914-19 | Staunton, Martin Gerard | Thesis | | 1987 |
| The Royal Munster Fusiliers memorial in Killarney | Leane, Michael | Article in Journal | | 2003 |
| The Royal Navy and 1916 | Brunicardi, Daire | Article in Journal | | 1991 |
| The Royal Navy and Ireland: 1900 – 1923 | O’Brien, Cathal | Thesis | | 2012 |
| The Royal Navy and the Curragh incident | Beckett, Ian Frederick WilliamJeffery, Keith | Article in Journal | | 1989 |
| The Royal Navy and the Irish civil war | Linge, John | Article in Journal | | 1998 |
| The Royal Navy and the Sinn Fein rebellion | Kinsella, Anthony | Article in Journal | | 2017 |
| The Royal New Zealand Fencibles - who were they? are you a decendent? | Taylor, Iris | Article in Journal | | 1998 |
| The Royal Northumberland Fusiliers (5th Regiment of Foot) | Peacock, Basil | Monograph or Collective Volume | | 1970 |
| The Royal Ulster Rifles, 1793-1960 | Corbally, M. J. P. M. | Monograph or Collective Volume | | 1960 |
| The San Patricio battalion in the Mexican war | Hopkins, G. T. | Article in Journal | | 1913 |
| The San Patricios. | Callaghan, James | Article in Journal | | 1995 |
| The SAS in Ireland | Murray, Raymond | Monograph or Collective Volume | Mercier Press | 1990 |
| The SAS in Ireland | Murray, Raymond | Monograph or Collective Volume | Mercier Press | 2004 |
| The scars of Niemba | Hogan, P. D. | Article in Book | | 2005 |
| The Scots Greys in Phoenix Park, Dublin c.1837 and the origin of their "Vandyked" cap-band | Anderson, R. B. | Article in Journal | | 1999 |
| The Scottish soldier in medieval Ireland : the Bruce invasion and the galloglass | Lydon, James F. | Article in Book | | 1992 |
| The Sea Horse 1782-1816 | Fitzgerald, Ivan | Article in Journal | | 2015 |
| The Seaton Needlework Association: Dublin's British military charity, 1854-2014 | Huddie, Paul | Article in Journal | | 2019 |
| The Second Anglo-Boer War, 1899–1902 | Joye, Lar | Article in Journal | | 2017 |
| The Second Munsters 1914-1918 : part 1 | Ryan, Desmond | Article in Journal | | 1986 |
| The Second Munsters 1914-1918 : part 2 | Ryan, Desmond | Article in Journal | | 1986 |
| The Second Munsters 1914-1918 : part 3 | Ryan, Desmond | Article in Journal | | 1987 |
| The Second Munsters In France 1914-1918 | Ryan, Desmond | Article in Journal | | 1989 |
| The second world war and the saga of the Irish regiment of Canada | Horgan, Brian | Article in Book | | 1988 |
| The Second World War and the saga of the Irish Regiment of Canada | Horgan, Brian | Article in Journal | | 1998 |
| The secret war | McArdle, Patsy | Monograph or Collective Volume | Mercier Press | 1984 |
| The security forces | Jeffery, Keith | Article in Journal | | 1990 |
| The security forces, 1969-85 | Banyard, P. J. | Article in Book | | 1985 |
| The service of Roman Catholics in the British Army 1750 to 1830 | Fontana, V. J. L. | Article in Journal | | 2006 |
| The service of the Scottish mercenary forces in Ireland, from 1565 to 1603, with an account of the mercenary system in Ireland and of its effect on Scottish history | Hayes-McCoy, G. A. (Gerard Anthony) | Thesis | | |
| The shepherd of the ocean : an account of Sir Walter Raleigh and his times | Adamson, J. H.Folland, H. F. | Monograph or Collective Volume | | 1969 |
| The Sherwood Foresters of 1916 : memories and memorials | Cullen, FintanMoran, James | Article in Journal | | 2018 |
| The Sherwood Foresters of 1916: memories and memorials | Cullen, FintanMoran, James | Article in Journal | | 2018 |
| The ship-sinking witch : a maritime folk legend from north-west Europe | Mac Cárthaigh, Críostóir | Article in Journal | | 1992 |
| The shooting of Michael Collins | Feehan, John | Monograph or Collective Volume | Mercier Press | 1981 |
| The siege of Limerick, 1690 | Simms, J. G. (John Gerald) | Article in Journal | | 1990 |
| The siege of the Alamo : 12 Irish killed at the Alamo 150 years ago | Rees, Jim | Article in Journal | | 1986 |
| The sieges and Treaty of Limerick (1690-1691) | Noonan, Frank | Monograph or Collective Volume | Eason | 1991 |
| The sinking of the 'Athenia', 3 September 1939, and the fate of the U-boat that fired the torpedo.
Part I: The sinking of the 'Athenia'
Part II: The fate of the U-boat that fired the torpedo | Haugseng, Magne | Article in Journal | | 2022 |
| The sinking of the Prince of Wales and the Rochdale, 1807 | Scudds, Colin | Article in Journal | | 2012 |
| The sixty-ninth regiment of New York | Forde, Frank | Article in Journal | | 1989 |
| The sixty-ninth regiment, New York City | Fitzgerald, James | Article in Journal | | 1910 |
| The social and political implications of the raising of the Yeomanry in Ulster, 1796-1798 | Blackstock, Allan | Article in Book | | 1993 |
| The Soldier Story: Tales of the Soldiers of Tralee during the War of Independence (Young Historian of the Year Winner - Senior Category) | O'Flaherty, Rory | Article in Journal | | 2024 |
| The soldier's palace : a note on the history and present use of the Hôtel Nationale des Invalides | Anonymous | Article in Journal | | 1998 |
| The Soldiers and Sailors Refreshment Buffet at Kingstown Harbour during World War One and its volunteers | O'Riordan, Dermot | Article in Journal | | 2021 |
| The Soldiers' and Sailors' Families Association and the separation women of Dublin in 1914 | Huddie, Paul | Article in Journal | | 2018 |
| The sons of Ulster : Ulstermen at war from the Somme to Korea | Doherty, Richard | Monograph or Collective Volume | Appletree | 1992 |
| The South African Irish regiment | McCullagh, Gilbert | Article in Journal | | 1983 |
| The South Down Militia | Gifford, Dick | Article in Journal | | 1991 |
| The South Down Militia and the Boer War, 1901--2 | Crichton, Marcus | Article in Journal | | 2004 |
| The South Irish Horse on the Western Front | Dargan, Pat | Article in Journal | | 2003 |
| The Spanish Armada meets disaster on Irish coast | Ó Danachair, Caoimhín, 1913-2002 | Article in Journal | | 1957 |
| The Spanish expedition to Munster, 1601-2 | Silke, John J., Rev. | Thesis | | 1963 |
| The spitfire and the shamrock | Byrne, Maurice | Article in Journal | | 2004 |
| The Steyr rifle | Poyntz, Dermot | Article in Journal | | 2009 |
| The stories they tell: narratives of former combatants in Northern Ireland | O'Neill, K. M. | Thesis | | |
| The storm passed by : Ireland and the battle of the Atlantic, 1940-41 | Allen, Trevor J. | Monograph or Collective Volume | Irish Academic Press | 1996 |
| The story of my life | Kiernan, Tom | Article in Journal | | 1997 |
| The story of the Irish Citizen Army | Ó Cathasaigh, Seán | Monograph or Collective Volume | Maunsell | 1919 |
| The strange military career of Michael Bowles, son of a Carlow shoemaker | La Porte, Tom | Article in Journal | | 2019 |
| The strange story of Stephen Lally : Connaught Rangers mutineer | Hanley, Brian | Article in Journal | | 2001 |
| The supply of infantry for the war in the Peninsula, 1703-1707 | Burton, I. F. | Article in Journal | | 1955 |
| The suppression of the Easter Rising | Townshend, Charles | Article in Journal | | 1994 |
| The taking of Newcastle West in the civil war | Dore, Michael | Article in Journal | | 1987 |
| The Tan war, Ballyovey, South Mayo | Lally, Michael | Monograph or Collective Volume | The author | 2008 |
| The Tenth (Irish) Division in Gallipoli | Cooper, Bryan | Monograph or Collective Volume | Irish Academic Press | 1993 |
| The Territorials in Northern Ireland 1947-1992 | Brierley, G. J.Gailey, I. B.Gillespie, W. F. | Monograph or Collective Volume | Northern Ireland Territorial Auxiliary and Volunteer Reserve Association | 1993 |
| The topography of a battlefield : Arklow, 1798 | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Journal | | 1949 |
| The Torpedo and an Irish link in the maternal ancestrty of the von Trapp family singers | Ferguson, Kenneth | Article in Journal | | 2023 |
| The tower house and warfare in Ireland in the fourteenth and fifteenth centuries | McAuliffe, Mary | Article in Journal | | 1992 |
| The Tralee Courthouse guns | McMorran, Russell | Article in Journal | | 2006 |
| The troublemakers : part II : the Irish Transvaal brigades | McCracken, Donal P. | Article in Book | | 1992 |
| The troublemakers, part III : List of the names of known Irishmen and Irish brigaders who fought for the Boers in the second Anglo-Boer war | McCracken, C. S.McCracken, Donal P. | Article in Book | | 1992 |
| The truce | Snoddy, Oliver | Article in Journal | | 1971 |
| The Tudors and the origins of the modern Irish states : a standing army | Ellis, Steven G., 1950- | Article in Book | | 1996 |
| The U.S.S. Kearsarge, sixteen Irishmen and a dark and stormy night | Sloan, Edward W. | Article in Journal | | 1994 |
| The Ulster Defence Regiment : an instrument of peace? | Ryder, Chris | Monograph or Collective Volume | Methuen|Mandarin | 1992 |
| The Ulster Defence Regiment : the loyalist militia | Sinn Féin Publicity Department | Monograph or Collective Volume | Sinn Féin Publicity Department | 1990 |
| The Ulster forces in 1595 | Ó Mearáin, Lorcán | Article in Journal | | 1956 |
| The Ulster Militia 1630-31 | Hollick, Clive L. C. | Article in Journal | | 2007 |
| The Ulster Volunteer Force and the formation of the 36th (Ulster) Division | Bowman, Timothy | Article in Journal | | 2001 |
| The UN special representative's view | O'Brien, Conor Cruise, 1917-2008 | Article in Book | | 2005 |
| The uniforms of 1798-1803 | Thompson, F. Glenn | Monograph or Collective Volume | Four Courts Press | 1998 |
| The uniforms of the South of Ireland Imperial Yeomanry and the South Irish Horse, 1902--22 | Thompson, F. Glenn | Article in Journal | | 1977 |
| The United Irishmen : problems and issues of the 1790s | Cullen, L. M. (Louis Michael) | Article in Journal | | 1997 |
| The United Nations, world peace, and the Irish military experience | McMahon, G. J. | Article in Journal | | 1994 |
| The United States encounters the Middle East : the North African Emirates and the U.S. navy (1783-1830) | Kortepeter, Carl Max | Article in Journal | | 1983 |
| The United States government and the Irish : a bibliographical study of research materials in the U.S. National Archives | Calkin, H. L. | Article in Journal | | 1954 |
| The United States torpedo-boat O'Brien | Anonymous | Article in Journal | | 1900 |
| The University of Dublin and chaplains in the British navy | Davies, Gordon Herries | Article in Journal | | 2014 |
| The US 82nd airborne division | Gilmore, Michael | Article in Journal | | 2014 |
| The US Navy at Queenstown | Brunicardi, Daire | Article in Journal | | 2017 |
| The Vandeleur Ram | O'Shaughnessy, Ed | Article in Journal | | 2019 |
| The view from Leopoldville headquarters | Savino, Vincent | Article in Book | | 2005 |
| The Volunteer Force, 1934-46 | Joye, Lar | Article in Journal | | 2011 |
| The Volunteer Reserve and the IRA | Hanley, Brian | Article in Journal | | 1998 |
| The Volunteers of 1782 | Smyth, P. D. H. | Article in Journal | | 1976 |
| The Volunteers of Ireland | Snoddy, Oliver | Article in Journal | | 1965 |
| The Volunteers, militia, yeomanry and Orangemen of Co. Kildare in the eighteenth century | Snoddy, Oliver | Article in Journal | | 1971 |
| The Waldron sword | Waldron, Liam | Article in Journal | | 1997 |
| The war at sea | Pearsall, A. W. H. | Article in Book | | 1990 |
| The War of Independence in County Meath, 1916-1921 | Courtney, Ultan | Article in Book | | 2015 |
| The War of Independence in Offaly | Nolan, Tom | Article in Journal | | 2013 |
| The War of Independence in Westmeath | Kenneally, Ian | Article in Journal | | 2013 |
| The war office and the Curragh incident | Gooch, J. | Article in Journal | | 1973 |
| The wars of the Bruces : Scotland, England and Ireland 1306-1328 | McNamee, Colm | Monograph or Collective Volume | Tuckwell | 1997 |
| The Wars of the Three Kingdoms, 1642-1649 | Scott, David A. | Article in Book | | 2003 |
| The Waterloo priest | Fitzgerald, J. J. | Article in Journal | | 1977 |
| The Waterloo Priest. The Reverend William O'Donnell, formerly Ensign William O'Donnell, XXth (East Devonshire) Regiment of Foot | Doherty, Richard | Article in Journal | | 2017 |
| The way we were | Young, Peter | Article in Journal | | 1989 |
| The weapons of Benburb | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Journal | | 1945 |
| The western Irish brigade (23rd Illinois infantry regiment) | Von Allendorfer, Frederic | Article in Journal | | 1955 |
| The Wexford insurgents of '98 and their march into Meath | Doyle, Eamon | Monograph or Collective Volume | Dufry Press | 1997 |
| The Wexford rising in 1798 : its causes and course | Dickson, Charles, 1886-1978 | Monograph or Collective Volume | Constable | 1997 |
| The Wicklow Artillary in 1900 | Thompson, F. Glenn | Article in Journal | | 2008 |
| The Wicklow Artillery. (Wicklow Militia, part 2) | Flynn, Brendan | Article in Journal | | 1991 |
| The Wicklow rifles | McPhail, William | Article in Journal | | 2003 |
| The Wild Geese : the Irish brigades of France and Spain | McLaughlin, M. G. | Monograph or Collective Volume | Osprey | 1980 |
| The wild geese : the Irish soldier in exile | Hennessy, Maurice | Monograph or Collective Volume | Sidgwick & Jackson | 1973 |
| The Wild Geese in Austria | Ní Mheara, R. | Article in Journal | | 1994 |
| The Wild Geese in the service of imperial Austria : Captain John Bellew | Harvey, Karen J. | Article in Journal | | 1988 |
| The wild goose and the eagle : a life of Marshal von Browne, 1705-57 | Duffy, Christopher | Monograph or Collective Volume | Chatto and Windus | 1964 |
| The will of John O'Neill, third earl of Tyrone | | Article in Journal | | 1974 |
| The Wreck of HMS 'Wasp', 1884 | Sigafoos, Tom | Article in Journal | | 2021 |
| The writings and speeches of Oliver Cromwell | Abbott, Wilbur CortezCrane, Catherine D.Cromwell, Oliver, 1599-1658Gleason, M. R. | Monograph or Collective Volume | | 1937 |
| The yeomanry in Ulster, 1796-c.1814 | Blackstock, Alan | Thesis | | 1993 |
| The youth and Irish military service of Patrick Cleburne (1828-1864) | Joslyn, Mauriel Phillips | Article in Journal | | 2002 |
| The Zion Mule Corps - and its Irish commander | Fachler, Yanky | Article in Journal | | 2003 |
| They shall grow not old : Irish soldiers and the Great War | Dungan, Myles | Monograph or Collective Volume | Four Courts | 1997 |
| They went harm's way | Weafer, John | Article in Journal | | 2008 |
| Thin red line? - Scottish soldiers in the Troubles | Wood, Ian S. | Article in Book | | 1994 |
| Things to be done in Irish military history : 1, sixteenth century | Anonymous | Article in Journal | | 1946 |
| Third Tipperary Brigade, Number Two, Flying Column, January to June 1921 | Patterson, Tony | Article in Journal | | 2006 |
| Thirty days to Dunkirk : the Royal Irish Fusiliers, May 1940. | Gough, G. F. | Monograph or Collective Volume | | 1990 |
| Thomas Francis Meagher : an Irish revolutionary in America | Athearn, R. G. | Monograph or Collective Volume | University of Colorado Press | 1949 |
| Thomas M. Kettle, 1880-1916 | Gwynn, D. R. (Denis Rolleston), 1893-1972 | Article in Journal | | 1966 |
| Thomas Parke, surgeon and explorer | Logan, P. J. | Article in Journal | | 1964 |
| Thoroughbred Irishmen: Black Watch volunteers in Dublin before the First World War | Montgomery, Ian | Article in Journal | | 2013 |
| Those are real bullets, aren't they? : Bloody Sunday, Derry 30 January, 1972 | Jacobson, PhilipPringle, Peter | Monograph or Collective Volume | Fourth Estate | 2000 |
| Three Irish cavalry regiments at Balaklava | Murphy, J. J. W. | Article in Journal | | 1960 |
| Three officers of the Royal Tyrone Fusiliers | Williams, J. R. | Article in Journal | | 1997 |
| Through Belgian eyes | Cardon-Sips, Henriette | Article in Book | | 2005 |
| Tim Finn and the Easter Rising: a sequel | | Article in Journal | | 2018 |
| Timothy 'Thady' Murphy : " Thady is gone for a sailor" | Ó Callanáin, Seán | Article in Journal | | 2005 |
| Tipperary courtmartials - 1798-1801 | Power, Patrick C. | Article in Journal | | 1993 |
| Tipperary, Australia, Papua and Flanders: the story of Henry Joseph Ryan | Marnane, Denis G. | Article in Journal | | 2018 |
| To the Congo on a wing and a prayer | Buckley, Mortimer | Article in Book | | 2005 |
| To the Congo with some rosary beads | Swan, Colum | Article in Book | | 2005 |
| To the ends of the earth : Campbellians at war | Haines, Keith | Monograph or Collective Volume | Campbell College | 2002 |
| Tom Barry: guerilla days in Iraq | McLoughlin, Mark | Article in Journal | | 2008 |
| Tom Crean : an illustrated life : an unsung hero of the Scott & Shackleton expeditions | Smith, Michael | Monograph or Collective Volume | Collins Press | 2011 |
| Tom Darragh | Jordan, John | Article in Journal | | 2004 |
| Tom Kettle, 1880-1916 | Lyons, J. B. (John Benignus) | Article in Journal | | 1990 |
| Tony Flanagan, 'alias' Private Kelly (1922-44): an irish boy in the graveyard of Ulvenhout | van Hooijdonk, Marijke | Article in Journal | | 2016 |
| Tories and moss-troopers in Scotland and Ireland in the Interregnum : a political dimension | Ó Ciardha, Éamonn | Article in Book | | 1997 |
| Towards a Monuments Men unit? | La Piscopia, Patrizia | Article in Journal | | 2020 |
| Tragedies of Kerry, 1922-1923 | MacArdle, Dorothy | Monograph or Collective Volume | Irish Freedom Press | 1991 |
| Tragedies of Kerry, 1922-1923 | MacArdle, Dorothy | Monograph or Collective Volume | Irish Freedom Press | 1988 |
| Transition to peace | Coyle, James P. | Article in Journal | | 1993 |
| Trench warfare - in the Phoenix Park | Condit,TomKeegan, Mark | Article in Journal | | 2016 |
| Troop movements in the Irish seas | Duggan, C. G. | Article in Journal | | 1970 |
| Trooper Thomas Downey : from Sydney to the Somme | Ahern, Richard | Article in Journal | | 1988 |
| Troubled curate days. ...reminiscences of the Sinn Fein days | Brennan, Malachy, Canon | Article in Journal | | 1996 |
| Troubled waters : shipwreck and heartache on the Irish Sea | Ferguson, Patrick, 1943- | Monograph or Collective Volume | Nonsuch | 2008 |
| Troupes Irlandaises au service de la France, 1635-1815 | Carles, P. | Article in Journal | | 1983 |
| Two "topoi" in the Agricola | Mann, J. C. | Article in Journal | | 1985 |
| Two brothers, two wars : from the Western Front to the Burmese jungle | McAlindon, Thomas | Monograph or Collective Volume | Lilliput Press | 2008 |
| Two Claremen die in Afghanistan (1880) | Nolan, Paddy | Article in Journal | | 2015 |
| Two Donegal battles | McGeehan, Kitty | Article in Journal | | 1989 |
| Two French revolutionary soldiers in rebel Ireland, 1798 | Cooney, John | Article in Journal | | 1988 |
| Two Irish officers and the campaign to relieve Vienna, 1683 | Murtagh, Harman | Article in Journal | | 1983 |
| Two Kingstown captains | Lowth, Cormac F. | Article in Journal | | 2003 |
| Two poems [and part of the military record of Patrick Jones; mason, soldier and poet] | Jones, Patrick, d.1956 | Article in Journal | | 2013 |
| Two versions of home and abroad from the peninsular campaign : 'Vandeleur' and 'the burial of Sir John Moore' | Denman, Peter | Article in Book | | 2003 |
| Two war memorials at Kickham Barracks, Clonmel | Chadwick, Áine Máire | Article in Journal | | 2000 |
| Tyneside Irish : 24th, 25th & 26th & 27th (Service) Battalions of the Northumberland Fusiliers : a history of the Tyneside Irish Brigade raised in the north east in World War One | Sheen, John | Monograph or Collective Volume | Pen & Sword | 1998 |
| Tyneside Irish : the 24th, 25th, 26th and 27th (Service) Battalions of Northumberland Fusiliers : a history of the Tyneside Irish Brigade raised in the north east in World War One | Sheen, John | Monograph or Collective Volume | Pen and Sword Books | 2010 |
| Tyneside Irish Brigade | Forde, Frank | Article in Journal | | 1985 |
| U.N. missions past & present | Anonymous | Article in Journal | | 1995 |
| UDR: Declassified | Smith, Micheál | Monograph or Collective Volume | Merrion Press | 2022 |
| Ulster Character. Sir Henry Conyngham Montgomery, Baronet of the Hall | Meehan, Helen Montgomery | Article in Journal | | 2003 |
| Ulster characters. A Bitza, a Lion and the Wall of death. The story of George Brockerton | Cunningham, Jennifer | Article in Journal | | 2002 |
| Ulster Volunteer Force webbing | Baxter, Colin | Article in Journal | | 2015 |
| Ulster's Zulu fighters | Whittley, Trevor | Article in Journal | | 2003 |
| UN observer missions in the Middle East and Central America | Doyle, Colm | Article in Journal | | 1996 |
| Una communita gotto controllo : operazioni contro-inzurrezionali delle forze de sicurezza britanniche nel quartiere catholico di Ballymurphy | Pistoi, Paolo | Monograph or Collective Volume | Pistoi|Angeli | 1981 |
| Uncivil war : the British army and the Troubles, 1966-1975 | Bennett, Huw | Monograph or Collective Volume | Cambridge University Press | 2023 |
| Under the hammer blow | Phelan, Mark | Article in Journal | | 2018 |
| Understanding small infantry unit behaviour and cohesion : the case of the Scots Guards and the Argyll and Sutherland Highlanders (Princess Louise's) in Northern Ireland, 1971-1972 | Burke, Edward | Thesis | | |
| UNFICYP - Cyprus | Anonymous | Article in Journal | | 1995 |
| Unfinished business : state killings and the quest for truth | Gilmartin, MaireadRolston, Bill | Monograph or Collective Volume | Beyond the Pale | 2000 |
| Unhappy associations : Ulstermen in the Anglo-American war of 1812 | Clarke, Richard S. J. | Article in Journal | | 1979 |
| Unhappy Campers : Dundalk (1689) and After | Lenihan, Pádraig, 1959- | Article in Journal | | 2007 |
| UNIFIL : unit experience | Taylor, David | Article in Journal | | 1996 |
| UNIFIL. Lebanon | Anonymous | Article in Journal | | 1995 |
| Unit histories | MacCarthy, J. M. | Article in Journal | | 1947 |
| United States armed forces in Northern Ireland during World War II | Carroll, Francis M. | Article in Journal | | 2008 |
| Unlikely revolutionary? The political formation of Robert Barton and his role in the struggle for Irish independence, 1918-1923 | Dredge, John | Article in Journal | | 2017 |
| UNOSOM . Somalia | Anonymous | Article in Journal | | 1995 |
| UNPROFOR - Yugoslavia | O'Shea, Brendan | Article in Journal | | 1995 |
| Unpublished Admiral Brown documents in Madrid | Walsh, Micheline | Article in Journal | | 1957 |
| Unusual artillery at the siege of Crom castle, 1689 | Murtagh, Harman | Article in Journal | | 1990 |
| Up close and personal : The French in Bantry Bay (1796) in the Bantry estate papers | Neville, Grace | Article in Journal | | 2007 |
| Using the digitised 'Irish Army Census' (1922) with a sample of January 1922 rercruitment [with index] | Kavanagh, Jack | Article in Journal | | 2019 |
| Verité et justice comme remèdes au trauma: 'Bloody Sunday' et l'enquête Saville | Barcat, Charlotte
| Article in Journal | | 2011 |
| Vice Admiral Sir Ross Donnelly K.C.B., Tullymore, county Tyrone | Batchelor, John | Article in Journal | | 2011 |
| Vice-Admiral Sir William McBride (1895-1959) | Lucey, John | Article in Journal | | 2021 |
| Vicissitudes of a garrison town : Athlone at the end of the seventeenth century | Murtagh, Harman | Article in Journal | | 1969 |
| Victoria Cross recipients from County Cavan | McKeague, Leslie | Article in Journal | | 2015 |
| Vikings on Ireland's Atlantic shore | Kelly, Eamonn P. | Article in Book | | 2015 |
| Viscount Hugh Gough - an 'illustrious Irishman' and controversial British military commander | Walsh, Fionnuala | Article in Journal | | 2018 |
| Visit to W.W.1 memorial at La Ferté-sous-Jouarre | Gracey, Florence | Article in Journal | | 2015 |
| Voices of the Donegal corridor | O'Loughlin, Joe | Monograph or Collective Volume | Nonsuch Publishing | 2005 |
| Volunteers at the world's end: the Ulster division at Ballykinler army camp, 1914-15 | Orr, Philip | Article in Journal | | 2002 |
| Volunteers from Éire who have won distinctions serving with the British forces | Anonymous | Monograph or Collective Volume | [s.n.] | 1946 |
| Wall of steel : history of the 9th (Londonderry) Heavy Anti-Aircraft Regiment | Doherty, Richard | Monograph or Collective Volume | North-West Books | 1988 |
| Walsh's regiment in Cochin-China : a myth | Van Brock, F. W. | Article in Journal | | 1983 |
| War and government in Britain, 1598-1650 | NA | Monograph or Collective Volume | Manchester University Press | 1991 |
| War at a Distance : Court-Martial Narratives in the Eighteenth Century | Alryyes, Ala | Article in Journal | | 2008 |
| War in the Gap : Sligo 1641-91 | Lenihan, Pádraig, 1959- | Article in Book | | 2024 |
| War of 1812 - United States & Great Britain. Mayo - Achill ound - Bull's Mouth - Innishbiggle Island | Henry, Peter | Article in Journal | | 2012 |
| War of Independence Ambush at Gaggin Bandon | Desmond, John | Article in Journal | | 2018 |
| Warfare in sixteenth-century Ireland | Ó Domhnaill, Seán | Article in Journal | | 1946 |
| Warfare in the medieval Gaelic lordships | Simms, Katharine | Article in Journal | | 1975 |
| Warships, U-boats and liners : a guide to shipwrecks mapped in Irish waters by the Irish National Seabed Survey and INFOMAR Mapping Projects | Brady, KarlLawler, IanLyttleton, JamesMcKeon, Charise | Monograph or Collective Volume | Government Stationery Office | 2012 |
| We're gonna hang out the washing... | McGrattan, Hugh | Article in Journal | | 2014 |
| Weather & Warfare : Bantry 1796 revisited | Tyrrell, John | Article in Journal | | 1996 |
| Wellington and his brothers | Carver, Michael, Baron Carver | Monograph or Collective Volume | Southampton University Library | 1989 |
| Wellington and Ireland | McDowell, R. B. (Robert Brendan), 1913-2011 | Article in Journal | | 1951 |
| Wellington and the defence of the realm, 1819-52 | Patridge, Michael | Article in Book | | 1990 |
| Wellington and the Irish connection | Longford, Elizabeth Harman Pakenham, Countess of, 1906-2002 | Article in Journal | | 1994 |
| West Cork and the outbreak of the Second Anglo-Boer War, 1899-1900 | O'Donovan, John | Article in Journal | | 2016 |
| West Virginia'a best known general since "Stonewall Jackson" : John L. Hines | Peake, Louis A. | Article in Journal | | 1977 |
| What have you done for Ireland? : the 36th Ulster Division in the Great War | McEwen, Yvonne | Article in Journal | | 2004 |
| When royalist Bandon switched to support of Cromwell | Bradley, Pamela | Article in Journal | | 1993 |
| When the Black and Tans came calling to our school, 1920-1 | Transition Year Class 3 | Article in Journal | | 2015 |
| Where Sarsfield died | Fewer, T. N. | Article in Journal | | 1986 |
| Where was Wellington born? | Murray, Thomas Cornelius, 1873-1959 | Monograph or Collective Volume | The author | 1993 |
| White ethnic neighborhoods and assimilation : the greater New York region, 1980-1990 | Alba, R. | Article in Journal | | 1997 |
| White slaves : Irish rebel prisoners and the British army in the West Indies 1799-1804 | Durey, Michael | Article in Journal | | 2002 |
| Who framed Colin Wallace? | Foot, Paul | Monograph or Collective Volume | Macmillan | 1989 |
| Who was Terry Alt? | Mac Mahon, Michael | Article in Journal | | 2019 |
| Who were Dublin's looters in 1916? crime and society in Dublin during the Great War | Yeates, Pádraig | Article in Journal | | 2016 |
| Why did they fight for Britain? Irish recruits to the British forces, 1939-1945 | O'Connor, Steven | Article in Journal | | 2015 |
| Why I commemorate the Somme | Burke, Jason | Article in Journal | | 2016 |
| Wicklow-born men who served in the Australian army in World War I | O'Cléirigh, Noel | Article in Journal | | 2013 |
| Wigs and guns : Irish barristers in the great war | Quinn, Anthony P. | Monograph or Collective Volume | Four Courts | 2006 |
| Wild geese : the Irish in European armies (sixteenth to eighteenth centuries) | McGurk, J. N. N. (John James Noel) | Article in Book | | 1992 |
| Wild geese in Spanish Flanders, 1582-1700, Documents relating chiefly to Irish regiments, from the Archives Générales du Royaume, Brussels, and other sources | | Monograph or Collective Volume | Stationery Office for the Irish Manuscripts Commission | 1964 |
| Wild Geese in Spanish Flanders: the Irish military community in Flanders, 1586-1610: an emerging identity | Henry, Anne Grainne | Thesis | | 1986 |
| William (Bill) James Boyle, D.S.C. (U.S.) | McClean, Trevor | Article in Journal | | 2017 |
| William Carr Beresford: the capture of the Cape Colony and the Rio de la Plata expedition of 1806 | Beresford, Marcus de la Poer | Article in Journal | | 2014 |
| William Henn - sailor son of Paradise | Henn, Francis | Article in Journal | | 2016 |
| William Hickie and the 16th (Irish) division | Joye, Lar | Article in Journal | | 2017 |
| William Jasper McSweeney - the Waterpark Boy who established the Irish Air Corps | McCarthy, Patrick | Article in Journal | | 2017 |
| William Knox Leet : the Dalkey VC | Lécane, Philip | Article in Journal | | 2000 |
| William Lawless and the defence of Flushing, 1809 | Gallaher, John | Article in Journal | | 1989 |
| William Levers : old scenes revisited | Reid, Richard | Article in Journal | | 1988 |
| Wings over Ireland : the story of the Irish Air Corps | MacCarron, Donal | Monograph or Collective Volume | Midland | 1996 |
| Wings over Wexford : USN air station, Wexford, 1918-19 | Gaul, Liam | Monograph or Collective Volume | History Press | 2017 |
| Winston S. Churchill, 2 : Young statesman, 1901-14 | Churchill, Randolph Frederick Edward Spencer, 1911-1968 | Monograph or Collective Volume | | 1966 |
| Winston S. Churchill. Companion to vol. 2, pt. 1 : 1901-1907; pt. 2 : 1907-1911; pt. 3 : 1911-1914. 3 pts. | Churchill, Randolph Frederick Edward Spencer, 1911-1968 | Monograph or Collective Volume | | 1969 |
| With the 92nd Foot in Dublin in 1779 : a narrative of a private soldier | Anonymous | Article in Journal | | 1996 |
| With the Ulster Division in France : a story of the 11th Battalion Royal Irish Rifles (South Antrim volunteers) from Bordon to Thiepval : in four parts, including photographs and maps | Samuels, Arthur Purefoy Irwin ; D., G. S. | Monograph or Collective Volume | Naval and Military Press | 2003 |
| With wings as eagles : fifty years of missile manufacturing in Belfast, 1952-2002 | Waugh, Eric | Monograph or Collective Volume | Corporate Document Services | 2003 |
| WO 35: army in Ireland, administrative and Easter Rising | Fitzsimons, Fiona | Article in Journal | | 2016 |
| Wolfe Tone and Bantry Bay | Fitzgerald, Sean | Article in Journal | | 1991 |
| Women ‘wild geese', 1585-1625 : Irish women and migration to European armies in the sixteenth and early seventeenth centuries | Henry, Gráinne | Article in Book | | 1995 |
| World War 1 : The unluckiest ship | Cahalane, John | Article in Journal | | 2014 |
| World War I - the Wexford casualties | Seery, JosephSeery, Séamus | Article in Journal | | 1999 |
| World War I and its impact on the North Cork parish | Collins, ColetteHickey, Denis J.Linehan, NoelMurphy, GerryMurphy, John J.F. | Article in Journal | | 2018 |
| World War I and the Bridewell Lane connection | Dodd, Carl | Article in Journal | | 2014 |
| World War I servicemen from Capel Street, Dublin | Beausang, Clare | Article in Journal | | 2018 |
| World War I soldiers from Ireland : Saddler Corporal Jeremiah O'Reilly Regimental no. 4719 R.F.A. 1887-1970 | O'Reilly, Jerry | Article in Journal | | 2015 |
| World War II plane crashes in Co. Donegal | Hannigan, Gerard A. | Article in Journal | | 1991 |
| Yanks and tanks | Hudson, Stewart | Article in Journal | | 2001 |
| Yeomanry corps of Connaught, 1803 | Anonymous | Article in Journal | | 1958 |
| Yet Another Failure for Appeasement? The Case of the Irish Ports | Canning, Paul | Article in Journal | | 1982 |
| Zouche : an Elizabethan in Kerry | Finn, Tom | Article in Journal | | 1998 |
| ‘Hibernia officina militum’ : Irish recruitment to the British regular army 1660-1815 | Denman, Terence | Article in Journal | | 1996 |
| ‘McCafferty’ : the story of the song | Blaney, Jim | Article in Journal | | 1995 |
| “Ethnic soldiers pure and simple”? The Irish in the late Victorian British army | Denman, Terence | Article in Journal | | 1996 |