| "A great and deserved name" : commemorating Cromwell | Morrill, John Stephen, 1946- | Article in Journal | | 1999 |
| 'Pirates in our channel': The Cromwellian navy in Ireland, 1649-53 | Murphy, Elaine | Article in Journal | | 2011 |
| 'Shipped for the Barbadoes': Cromwell and the Irish migration to the Caribbean | O Siochrú, Micheál | Article in Journal | | 2008 |
| A history of the diocese of Cork : from reformation to the penal era | Bolster, Evelyn | Monograph or Collective Volume | Tower Books | 1982 |
| A new history of Cromwell's Irish campaign | McKeiver, Philip G. | Monograph or Collective Volume | Advance Press | 2007 |
| A Scramble for Ireland: Cromwell and the Land Settlement | Cunningham, John, 1984- | Article in Book | NA | 2021 |
| A short history of Ireland | Ranelagh, John O'Beirne | Monograph or Collective Volume | Cambridge University Press | 1983 |
| A sword for Christ : the republican era in Great Britain and Ireland | Cobb, Jonathan | Monograph or Collective Volume | Birlinn | 2021 |
| A tale of adversity and survival: manuscripts touching Gragans Castle | O'Loghlen, EdwardO'Loghlen, Michael | Article in Journal | | 2017 |
| After the civil wars | Mortimer, Sarah | Article in Journal | | 2012 |
| An account of the life of Captain Samuel Jervois (c.1620-1694) | Jervois, William | Article in Journal | | 2009 |
| Civil autonomy and military power in early modern Ireland | Ó Siochrú, Micheál | Article in Journal | | 2011 |
| Civil Wars and Interregnum | Morrill, John | Article in Book | Oxford University Press | 2023 |
| Conclusion. Settling and unsettling Ireland : the Cromwellian and Williamite revolutions | Barnard, T. C. (Toby Christopher) | Article in Book | | 1995 |
| Cromwell | Howell, Roger | Monograph or Collective Volume | | 1977 |
| Cromwell | Cottret, Bernard | Monograph or Collective Volume | Fayard | 1992 |
| Cromwell | Lapie, P.-O. | Monograph or Collective Volume | | 1949 |
| 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 : our chief of enemies | McElligott, Jason, 1972- | Monograph or Collective Volume | Dundalgan Press | 1994 |
| Cromwell : portrait of a soldier | Gillingham, J. B. | Monograph or Collective Volume | | 1976 |
| Cromwell : the Irish question | Reilly, Tom | Article in Journal | | 2012 |
| Cromwell and Catholics : towards a reassessment of lay Catholic experience in Interregnum Ireland | Spurlock, R. Scott | Article in Book | | 2010 |
| Cromwell and Crumlin | O'Connor, Patrick | Article in Journal | | 1950 |
| Cromwell and English liberty | Howell, Roger | Article in Book | | 1986 |
| Cromwell and Ireland | Brown, R. N. | Article in Journal | | 1957 |
| Cromwell and Ireland before 1649 | Little, Patrick, 1969- | Article in Book | | 2009 |
| Cromwell and Ireland: New Perspectives | | Monograph or Collective Volume | Liverpool University Press | 2021 |
| Cromwell and Ireland: new perspectives; edited by Martyn Bennett, Ray Gillespie, R. Scott Spurlock, | Ó Siochrú, Micheál | Article in Journal | | 2021 |
| Cromwell and Plunkett : two early modern heads called Oliver | Tarlow, Sarah | Article in Book | | 2013 |
| Cromwell and the Interregnum | Smith, David L. (David Lawrence), 1963- | Monograph or Collective Volume | Blackwell Publishers | 2003 |
| Cromwell at Drogheda : a reply to Mr. J.B. Williams | Murray, R. H. | Article in Journal | | 1912 |
| Cromwell at Drogheda, 1649 | Simms, J. G. (John Gerald) | Article in Journal | | 1973 |
| Cromwell at Drogheda, 1649 | Simms, J. G. (John Gerald) | Article in Journal | | 1974 |
| Cromwell at Drogheda. Some new light on old faces | Matthews, Brendan | Article in Journal | | 2012 |
| Cromwell in Callan | Kennedy, Joseph | Article in Journal | | 1984 |
| Cromwell in Ireland | Wheeler, James Scott | Monograph or Collective Volume | Gill & Macmillan | 1999 |
| Cromwell in Ireland : a history of Cromwell's Irish campaign | Murphy, Denis | Monograph or Collective Volume | | 1883 |
| Cromwell in Ireland : the massacres | Faul, Denis | Article in Journal | | 2004 |
| Cromwell was framed : Ireland 1649 | Reilly, Tom | Monograph or Collective Volume | Chronos Books | 2014 |
| Cromwell's generals | Ashley, Maurice Percy | Monograph or Collective Volume | Jonathan Cape | 1954 |
| Cromwell's influence on the great landowners of east Waterford | Shanahan, Mary | Article in Book | | 2005 |
| Cromwell, de Brendan Kennelly : el humor negro como exorcismo | Villacañas, Beatriz | Article in Journal | | 2003 |
| Cromwell, Drogheda, and the abuse of Irish history | McElligott, Jason, 1972- | Article in Journal | | 2001 |
| Cromwell, la revolution d'Angleterre et la guerre civile | Poussou, Jean-Pierre | Monograph or Collective Volume | Presses Universitaries de France | 1993 |
| Cromwell, Scotland and Ireland | Stevenson, David, Ph. D. | Article in Book | | 1990 |
| Cromwellian courts martial records | McElligott, Jason | Article in Journal | | 2012 |
| Cromwellian England 1649-1660 | Worden, Blair | Article in Book | | 1986 |
| Cromwellian Ireland : English government and reform in Ireland, 1649-1660 | Barnard, T. C. (Toby Christopher) | Monograph or Collective Volume | Clarendon Press | 2000 |
| Cromwellian Transplantations of the Irish to the Colonies | Coburn, Heidi J. | Article in Book | | 2021 |
| Divided conquerors : the Rump Parliament, Cromwell's army and Ireland | Cunningham, John, 1984- | Article in Journal | | 2014 |
| Drogheda Grammar School | McCormack, Christopher | Article in Journal | | 2016 |
| Fact or Fiction? Cromwell in Dublin 1649 | Ní Murchadha, Maighréad | Article in Journal | | 2011 |
| Female alliances in Cromwellian Ireland: the social and political network of Elizabeth Butler, marchioness of Ormonde | McAreavey, Naomi | Article in Journal | | 2021 |
| Fresh light on Cromwell at Drogheda | Williams, Joseph Batterson [i.e. Muddiman, Joseph George] | Article in Journal | | 1912 |
| From Reformation to Restoration : Ireland 1534-1660 | Canny, Nicholas P. | Monograph or Collective Volume | Helicon | 1987 |
| Gleanings from Irish history | Butler, W. F. T. (William Francis Thomas), 1869-1930 | Monograph or Collective Volume | | 1925 |
| God's executioner : Oliver Cromwell and the conquest of Ireland | Ó Siochrú, Micheál | Monograph or Collective Volume | Faber | 2008 |
| God's general : Cromwell the soldier | Robbins, Simon | Monograph or Collective Volume | Sutton | 2003 |
| God’s Wall of Brass: Cromwell’s Generals in Ireland, 1649–1650 | Bennett, Martyn | Article in Book | | 2021 |
| Going to the wars : experience of the British civil wars, 1638-1651 | Carlton, Charles Hope | Monograph or Collective Volume | | 1992 |
| Hell or Connaught! : the Cromwellian settlement of Ireland, 1652-1660 | Ellis, Peter Berresford, 1943- | Monograph or Collective Volume | Blackstaff Press | 1988 |
| Henry Ireton | Ramsey, R. W. | Monograph or Collective Volume | Longmans | 1949 |
| Henry Ireton in Ireland, 1649–1651: Oliver Cromwell’s ‘Second Self’? | Farr, David | Article in Book | | 2021 |
| History of Clonmel | Burke, William P. | Monograph or Collective Volume | | 1907 |
| Introduction (Drogheda and Wexford, 1649) | Reilly, Tom | Article in Book | | 2021 |
| Ireland, from the Flight of the Earls to Grattan's Parliament, 1607-1782; a documentary record | | Monograph or Collective Volume | | 1951 |
| Ireton's siege of Waterford, July-August 1650 | McCarthy, Patrick | Article in Journal | | 2020 |
| Irish images of Cromwell | Barnard, T. C. (Toby Christopher) | Article in Book | | 1993 |
| Irish priests transported under the Commonwealth | | Article in Journal | | 1949 |
| Irish undercurrents of the politics of April 1653 | Barber, Sarah | Article in Journal | | 1992 |
| John Milton's student, Richard Barry : a biographical note | Taaffe, J. G. | Article in Journal | | 1962 |
| Lord Broghill and the Cromwellian union with Ireland and Scotland | Little, Patrick, 1969- | Monograph or Collective Volume | Boydell | 2004 |
| Meath : towards a history | Conway, Margaret | Monograph or Collective Volume | History Press Ireland | 2010 |
| Military operations in county Louth in the run-up to Cromwell's storming of Drogheda | O'Sullivan, Harold | Article in Journal | | 1990 |
| Milltown - where Cromwell laid waste | Meagher, Jim | Article in Journal | | 1986 |
| Much ado about Oliver : the parliamentary dispute over Cromwell's statue | Battick, John F.Klimavicz, N. C. | Article in Journal | | 1974 |
| Not every judge a phoenix: King's Inns under Cromwell | Kenny. Colum | Article in Book | | 2020 |
| Notaí ar Chromail i mbéaloideas na h-Éireann | Ó hÓgáin, Dáithí | Article in Journal | | 1980 |
| Notes and documents. Account of money spent in the Cromwellian reconquest and settlement of Ireland, 1649-1656 | Firth, C. H. | Article in Journal | | 1899 |
| Old Ironsides : the military biography of Oliver Cromwell | Kitson, Frank | Monograph or Collective Volume | Weidenfeld and Nicolson | 2004 |
| Oliver Cromwell | Davis, J. C. (James Colin) | Monograph or Collective Volume | Arnold | 2001 |
| Oliver Cromwell | Gaunt, Peter | Monograph or Collective Volume | British Library | 2004 |
| Oliver Cromwell : an illustrated history | Litton, Helen | Monograph or Collective Volume | Wolfhound Press | 2000 |
| Oliver Cromwell : commander in chief | Hutton, Ronald | Monograph or Collective Volume | Yale University Press | 2024 |
| 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 Cromwell and the 'Cromwellian' settlement of Ireland | Cunningham, John, 1984- | Article in Journal | | 2010 |
| Oliver Cromwell and the siege of Clonmel | Ó Siochrú, Micheál | Article in Journal | | 2016 |
| Oliver Cromwell in Ireland | Synott, P. N. N. | Article in Journal | | 1974 |
| Oliver Cromwell's Policy toward the English Catholics : The Appraisal by Diplomats, 1654-1658 | Loomie, Albert Joseph | Article in Journal | | 2004 |
| Oliver Cromwell, 1658-1958. | Hill, Christopher, 1912-2003 | Monograph or Collective Volume | | 1984 |
| Oliver Cromwell, priestcraft, and the 'deluded and seduced' people of Ireland | Morrill, John | Article in Book | | 2019 |
| Oliver Cromwell, soldier : the military life of a revolutionary at war | Marshall, Alan | Monograph or Collective Volume | Brassey's | 2004 |
| Oliver Cromwell: father of Irish republicanism | Whelan, Fergus | Article in Journal | | 2010 |
| One of the great figures of British history : Oliver Cromwell | Coward, Barry | Article in Journal | | 1996 |
| Ormond and Cromwell: The Struggle for Ireland | Wheeler, James Scott | Article in Book | | 2021 |
| Parliaments and politics during the Cromwellian protectorate | Little, Patrick, 1969-Smith, David L. (David Lawrence), 1963- | Monograph or Collective Volume | Cambridge University Press | 2007 |
| Preparations for Oliver Cromwell's Irish campaign, February - July 1649 | De Grae, Emily | Article in Journal | | 2002 |
| Propaganda, rumour and myth : Oliver Cromwell and the massacre at Drogheda | Ó Siochrú, Micheál | Article in Book | | 2007 |
| Protestant interests? The 1641 rebellion and state formation in early modern Ireland | Gibney, John | Article in Journal | | 2011 |
| Purgatory re-visited : the historical context of Ó Bruadair | Irwin, Liam | Article in Book | | 2001 |
| Richard Talbot - the man who didn't kill Cromwell | Lenihan, Pádraig | Article in Journal | | 2015 |
| Robert Phayre, the Kilshannig regicide. Parts 1- 2 | Twomey, Dermot | Article in Journal | | 2011 |
| Rural society in post-Cromwellian Ireland | Mac Curtain, Margaret | Article in Book | | 1979 |
| Siege Massacres in Ireland, Drogheda in context | Lenihan, Pádraig | Article in Book | | 2021 |
| Speeches of Oliver Cromwell | | Monograph or Collective Volume | | 1989 |
| Surveys of Ireland in the seventeenth century | McLaughlin, P. J. | Article in Journal | | 1950 |
| The Cromwellian assault on Clonmel | Lyons, Patrick, 1861-1954 | Article in Book | | 1950 |
| The Cromwellian conquest, 1649-53 | Corish, Patrick J. | Article in Book | | 1976 |
| 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 Cromwellian gazetteer | Gaunt, Peter | Monograph or Collective Volume | Sutton | 2000 |
| The Cromwellian government and the transportation to Connacht | Herlihy, Kevin | Article in Journal | | 1993 |
| The Cromwellian protectorate | Coward, Barry | Monograph or Collective Volume | Manchester University Press | 2002 |
| The Cromwellian regime | Corish, Patrick J. | Article in Book | | 1976 |
| The Cromwellian siege of Kilkenny | Keane, John E. Kerry | Article in Book | | 2009 |
| The Cromwellian Urban Surveys, 1653-1659 [with index | Brown, DavidÓ Siochrú, Micheál | Article in Journal | | 2016 |
| The curse of Cromwell | O Siochrú, Micheál | Article in Journal | | 2008 |
| The curse of Cromwell : a history of the Ironside conquest of Ireland, 1649-53 | Esson, Denis Main Ross | Monograph or Collective Volume | Leo Cooper | 1971 |
| The Curse of Cromwell : Warrington's Statue of Oliver Cromwell | Cunniffe, SteveWyke, Terry J. | Article in Journal | | 2009 |
| The curse of Cromwell : Warrington's statue of Oliver Cromwell | Cunniffe, Steve ; Wyke, Terry | Article in Journal | | 2009 |
| The devil from over the sea : remembering and forgetting Oliver Cromwell in Ireland | Covington, Sarah | Monograph or Collective Volume | Oxford University Press | 2022 |
| The Drogheda massacre in Cromwellian context | Morrill, John Stephen, 1946- | Article in Book | | 2007 |
| The folkloric afterlife of Oliver Cromwell in Ireland | Covington, Sarah | Article in Book | NA | 2021 |
| The greatness of Oliver Cromwell | Ashley, Maurice Percy | Monograph or Collective Volume | Hodder and Stoughton | 1957 |
| The historiography of the Cromwellian siege of Drogheda, 1649 | Wheeler, James Scott | Article in Book | | 2023 |
| The Irish Catholics and the Puritan revolution | Edwards, R. W. D. (Robert Walter Dudley) | Article in Book | | 1957 |
| The Irish parliament of 1689 | Preston, Christopher | Article in Journal | | 1948 |
| The King's Irishmen : the Irish in the exiled court of Charles II, 1649-1660 | Williams, Mark R. F. | Monograph or Collective Volume | Boydell | 2014 |
| The last lords of Ormond : the Cromwellian plantation in the 'countrie of the three O'Kennedys' | Gleeson, Dermot F.Grace, Daniel | Monograph or Collective Volume | Relay | 1997 |
| The New Model Army and the problems of siege warfare, 1648-1651 | Burke, James | Article in Journal | | 1990 |
| The new model army in England, Ireland and Scotland, 1645-1653 | Gentles, Ian | Monograph or Collective Volume | Blackwell Publishers | 1991 |
| The private estate of James II | Kingston, John | Article in Journal | | 1960 |
| The Social Memory of Oliver Cromwell in Ireland, c.1660s–c.1730s | Darcy, Eamon | Article in Book | | 2021 |
| The struggle for new constitutional and institutional forms | Smith, David L. (David Lawrence), 1963- | Article in Book | | 1992 |
| The swordsmen in power : war and politics under the English republic, 1649-1660 | Hainsworth, D. Roger | Monograph or Collective Volume | Sutton | 1997 |
| The transplantation to Connacht, 1654-8 | Simington, Robert C. | Monograph or Collective Volume | | 1970 |
| The transplanters' certificates and the historiography of Cromwellian Ireland | Cunningham, John, 1984- | Article in Journal | | 2011 |
| The writings and speeches of Oliver Cromwell | Abbott, Wilbur CortezCrane, Catherine D.Cromwell, Oliver, 1599-1658Gleason, M. R. | Monograph or Collective Volume | | 1937 |
| Uiriamu Aren : ferutobo seizoko, ajitita, airurand osiefuku = [Felt hat manufacturerer and agitator William Allen and the subjugation of Ireland] | Onishi, Haruki | Article in Journal | | 1995 |
| War and politics in Ireland 1649-1730. | Hayton, D. W. (David William)O'Brien, GerardSimms, J. G. (John Gerald) | Monograph or Collective Volume | Hambledon | 1986 |
| War criminal allegations : The case for the defence | Reilly, Tom | Article in Book | NA | 2021 |
| When royalist Bandon switched to support of Cromwell | Bradley, Pamela | Article in Journal | | 1993 |
| Why was Charles I executed? | Holmes, Clive | Monograph or Collective Volume | Hambledon | 2006 |
| ‘Halt! Halt!’ Oliver Cromwell, Hugh O’Neill and the Siege of Clonmel, April–May 1650 | Marshall, Alan | Article in Book | | 2021 |
| ‘This day by letters severall from hands’ News Networks and Oliver Cromwell’s Letters from Drogheda | Poyntz, Nick | Article in Book | | 2021 |