| "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 |
| '... In a humble way, a supporter of Russia' : Michael Davitt in Russia, 1903, 1904 and 1905 | King, Carla | Article in Book | Irish Academic Press | 2012 |
| 'A conflict within' : experiences of Spanish liberal exile in Ireland, 1830-37 | Brownrigg-Gleeson Martínez, José-Shane | Article in Book | Irish Academic Press | 2012 |
| 'Information given by your orator John Walshe of Youghal in Ireland for the reformation of the enormities of the said realm and to bring the same unto civility’, 1559 | Walshe, John | Article in Book | | 2016 |
| 'Not Christian, civil or human creatures, but heathen or rather savage and brute beasts' : Andrew Trollope and the 'reform' of Ireland in the 1580s | Heffernan, David | Article in Journal | | 2022 |
| 'Oh, Oh Rodeo!!' : American cowboys and post-Independence Ireland | Heffernan, Conor | Article in Journal | | 2022 |
| 'The strongest woman in the world' - Katie Sandwina's 1928 tour of Ireland | Heffernan, Conor | Article in Journal | | 2022 |
| A light that failed : the 1922 constitution in an European context | Kissane, Bill | Article in Book | | 2012 |
| A paper of advice concerning the disposal of troops and garrisons in Ireland, c. 1598 | Anonymous | Article in Book | | 2016 |
| Alexander Nimmo: master engineer, 1783-1832 : public works and civil surveys | Wilkins, Noel P. | Monograph or Collective Volume | Irish Academic Press | 2009 |
| An early Elizabethan treatise on Laois and Offaly: Cormac mac Briain Í Chonchubhair's 'Device for the Government of Ireland' (c.1565) | Heffernan, David | Article in Journal | | 2015 |
| An Irish Race Convention? Body politic and the 1924 Tailteann Games | Heffernan, Conor | Article in Journal | | 2019 |
| Answers to objections to their petition for a grant of the Ards, 1571 | Barrow, ThomasBrowne, Thomas | Article in Book | | 2016 |
| Body projects as a historical phenomenon : Irish physical culture and the body as process | Heffernan, Conor | Article in Journal | | 2020 |
| Catholic elites and the Irish university question, 1860-1880 : European solutions for an Irish dilemma | Enright, Aidan | Article in Book | | 2012 |
| Catholic priests and political violence in Ireland, 1919-21 | Heffernan, Brian J. | Thesis | | 2011 |
| Clement Smyth (1810-1865) : a founder of New Melleray and Civil War bishop | Heffern, Colman | Article in Journal | | 1970 |
| Collins Barracks | Hefferon, Michael | Article in Journal | | 1969 |
| Complaint and reform in late Elizabethan Dublin, 1579-94 | Heffernan, David | Article in Book | | 2017 |
| Connecting the economies of Tudor Ireland and England: Edward Waterhouse's 'A mean to quiet the north part of Ulster...and to strengthen the northwest coast of England' | Heffernan, David | Article in Journal | | 2023 |
| Cultural nationalism and religion in Ireland : with glances east to Prussian Poland | Cavelti, Annina | Article in Book | | 2012 |
| Debating Irish policy at the court of Elizabeth I, c.1558-80 | Heffernan, David | Article in Book | | 2024 |
| Debating Tudor policy in sixteenth-century Ireland. 'reform' treatises and political discourse | Heffernan, David | Monograph or Collective Volume | Manchester University Press | 2018 |
| Discerning the spirits. the Irish Jesuits and political violence, 1919-21 | Heffernan, Brian | Article in Journal | | 2014/2015 |
| Early modern Duhallow c. 1534-1641: the crisis decline and fall of Irish lordship | Heffernan, David | Monograph or Collective Volume | Four Courts Press | 2022 |
| Early modern Duhallow, c.1534-1641 | Heffernan, David | Monograph or Collective Volume | Four Courts Press | 2022 |
| Edward Cecil Guinness : noblesse oblige | Heffernan, Mary | Article in Journal | | 2009 |
| Epilogue. Nationality on the fringe : modern Ireland fron dependence to independence | Comerford, R. V. (Richard Vincent) | Article in Book | | 2012 |
| Essex's 'Enterprise'. Walter Devereux, first earl of Essex and the failure of plantation in Elizabethan Ulster, c.1573-6 | Heffernan, David | Article in Journal | | 2019 |
| Freedom and the fifth commandment. Catholic priests and political violence in Ireland, 1919-21 | Heffernan, Brian | Monograph or Collective Volume | Manchester University Press | 2014 |
| Governing Ireland: a new polity, 1581 | Bryskett, Lodowick | Article in Book | | 2016 |
| Gymnastics and childhood in early-nineteenth-century Dublin | Heffernan, Conor | Article in Journal | | 2025 |
| Health from Home?: Home Gymnasiums in Nineteenth-Century Ireland | Heffernan, Conor | Article in Book | | 2023 |
| Imagining the nation in Irish and Finnish popular culture in the nineteenth and early twentieth centuries | Nurmi, Kati | Article in Book | | 2012 |
| Imitating the continent : European microfinance institutions in Ireland | McLaughlin, Eoin | Article in Book | | 2012 |
| Ireland's contribution to the navies of the American civil war, 1861-1865 | Heffernan, John B. | Article in Journal | | 1957 |
| Ireland, the United Nations and the Gulf conflict : legal aspects | Heffernan, LizWhelan, Anthony | Article in Journal | | 1991 |
| Irish nationalist images of Lajos Kossuth and Hungary in the aftermath of the 1848-1849 revolution | Zarka, Zsuzsanna | Article in Book | | 2012 |
| Learning and a knowledge of true religion, 1570 | Weston, Robert | Article in Book | | 2016 |
| Life on the fringe? Ireland and Europe, 1800-1922 | | Monograph or Collective Volume | Irish Academic Press | 2012 |
| Military strategy and government victualling in Munster during the Second Desmond Rebellion, 1579-83: Swethin Johnson's 'A Ready Way for the Reformation of Abuses in Ireland' (c.1583) | Heffernan, David : Johnson, Swethin, fl.1572-1583 | Article in Journal | | 2020 |
| Morristown Lattin: A Case Study of the Lattin and Mansfield Families in County Kildare, c. 1600 - 1860 | Lyons, Emma Heffernan | Thesis | | 2011 |
| Motor cycle racing in Skerries 1930-1980 | Heffernan, Joe | Article in Journal | | 2001 |
| Mr Goring’s discourse of Irish matters’, 1595 | Goring, J. | Article in Book | | 2016 |
| New evidence suggests that 57 Irish railroad workers were murdered | Heffernan, Brede | Article in Journal | | 2010 |
| Notes for the reformation of Ireland, 1571 | Tremayne, Edmund | Article in Book | | 2016 |
| Old Galway : the history of a Norman colony in Ireland | O'Sullivan, M. D. (Mary Donovan) | Monograph or Collective Volume | Heffer | 1942 |
| Patrick Finglas’s A Breviat of the Conquest of Ireland and of the Decay of the Same, c. 1535, and the Tudor conquest of Ireland | Heffernan, David | Article in Journal | | 2018 |
| Petition for a grant of the Ards, 1571 | Barrow, ThomasBrowne, Thomas | Article in Book | | 2016 |
| Physical culture, the Royal Irish Constabulary and police masculinities in Ireland, 1900-14 | Heffernan, Conor | Article in Journal | | 2019 |
| Physical degeneracy and racial fitness in prewar Ireland | Heffernan, Conor | Article in Journal | | 2022 |
| Political discourse and the Nine Years’ War in late Elizabethan Ireland, c.1593–1603 | Heffernan, David | Article in Journal | | 2020 |
| Portrait of a Family: The Conollys of Castletown | Thorpe, Ruth | Monograph or Collective Volume | Office of Public Works|Wordwell | 2023 |
| Proposals for acts to be passed through parliament and other measures to be taken in Ireland, 1559 | Barnewall, James (?) | Article in Book | | 2016 |
| Proposals for provisioning, 1559 | Barnewall, James (?) | Article in Book | | 2016 |
| Proposing a university at Kilmainham, 1582 | Ussher, John | Article in Book | | 2016 |
| Propositions for the south and north Clandeboyes, Killultagh, Kilwarlin, and Kinelarty, to be granted to the chieftains in fee farm for a reasonable chief rent to her majesty, 1594 | Dawtrey:, Nicholas | Article in Book | | 2016 |
| Rathanna, the school, and me | Heffernan, Michael | Article in Book | | 2014 |
| Reconstructing the estate of Richard Boyle, first earl of Cork, c.1602-43 | Heffernan, David | Article in Journal | | 2015 |
| Reform treatises on Tudor Ireland, 1537-1599 | | Monograph or Collective Volume | Irish Manuscripts Commission | 2016 |
| Reforming the MacMahons, Maguires and O’Reillys: Henry Duke’s proposal for service in the north, 1587 | Duke, Henry | Article in Book | | 2016 |
| Report on the state of Ireland, 1552 | Walshe, Thomas | Article in Book | | 2016 |
| Retracing stories of the Dungiven diaspora in the Fisrt World War | Wack, Mary F. | Article in Journal | | 2014 |
| Richard K. Fox, the National Police Gazette and Ireland’s sporting memory | Heffernan, Conor | Article in Journal | | 2021 |
| Richard K. Fox, the national police gazette and Ireland’s sporting memory | Heffernan, Conor | Article in Journal | | 2020 |
| Robert Cowley's 'A discourse on the cause of the evil state of Ireland and of the remedies thereof'', c.1526; presented by David Heffernan | Cowley, Robert | Article in Journal | | 2017 |
| Rowland Cowyck, 'A brief of certain notes concerning her majesty's profit in Ireland' (c.1582) and religious reform in mid-Elizabethan Ireland | Heffernan, David | Article in Journal | | 2020 |
| Royal Hospital, Kilmainham | Hefferon, Michael | Article in Journal | | 1970 |
| Securing Boyle's town: the outbreak and the course of the rising in Bandonbridge and Carbery in 1642 | Heffernan, David | Article in Journal | | 2021 |
| Shifting alliances : James J. O'Kelly and the Spanish government | Ramón, Marta | Article in Book | | 2012 |
| Silencing Irish Ulster : official depictions of plantation-era Ulster during the reign of James I, c. 1608-25 | Heffernan, David | Article in Book | | 2025 |
| Skerries in the 40s and 50s | Heffernan, Joe | Article in Journal | | 2012 |
| Strength peddlers : Eddie O’Callaghan and the selling of Irish strength | Heffernan, Conor | Article in Journal | | 2018 |
| Tests of manhood : uncovering the history and popularity of stone lifting in Ireland | Nolan, David ; Heffernan, Conor | Article in Journal | | 2025 |
| The 1898 centenary celebrations from Ballina to Fashoda | Ranger, Pierre | Article in Book | | 2012 |
| The 70th anniversary of Skerries Rugby Club | Heffernan, Sandy | Article in Journal | | 2004 |
| The career of John T. Heffernan | Nelson, Tom | Article in Journal | | 2006 |
| The Catholic Church and the War of Independence | Heffernan, Brian | Article in Book | | 2017 |
| The court minutes of the Worshipful Company of Clothworkers, London concerning their Londonderry estate, 1609-1676 | | Monograph or Collective Volume | Irish Manuscripts Commission | 2025 |
| The Griffiths of Millicent, county Kildare | Heffernan, Jim | Article in Journal | | 2012 |
| The Heffernan family in Glasthule Buildings | Keegan, Anne | Article in Journal | | 2016 |
| The Heffernans and their times : a study in Irish history | Heffernan, Patrick | Monograph or Collective Volume | James Clarke | 1940 |
| The history of physical culture in Ireland | Heffernan, Conor | Monograph or Collective Volume | Palgrave | 2021 |
| The Irish Sandow school : physical culture competitions in fin-de-siècle Ireland | Heffernan, Conor | Article in Journal | | 2019 |
| The origins of Irish nationalism in a European context | Augusteijn, Joost | Article in Book | | 2012 |
| The reduction of Leinster and the origins of the Tudor conquest of Ireland, c.1534-46 | Heffernan, David | Article in Journal | | 2016 |
| The selection of the English undertakers in the Ulster Plantation, 1609-10 | Heffernan, David | Article in Journal | | 2024 |
| The Ulster Plantation on the Inishowen Peninsula: A Hiberno-British | Heffernan, David | Article in Journal | | 2024 |
| Theory and practice in the Munster plantation: the estates of Richard Boyle, first earl of Cork, 1602–43 | Heffernan, David | Article in Book | | 2018 |
| Three surveys of the Londonderry Plantation | | Article in Journal | | 2019 |
| Tony Heffernan : from Merrion Square to Merrion Street | Kenny, Brian | Monograph or Collective Volume | Brian Kenny in association with Personal History Publishing | 2013 |
| Tudor reform treatises and government policy in sixteenth-century Ireland | Heffernan, David | Thesis | | 2013 |
| Walter Devereux First Earl of Essex and the colonization of North-East Ulster, 1573-6 | Heffernan, David | Monograph or Collective Volume | Four Courts Press | 2018 |
| ‘A book for the reformation and preservation of the realm of Ireland, as well against all foreign enemies as also against all traitorous rebels devised by John Ussher of Dublin, alderman’, c. 1583 | Ussher, John | Article in Book | | 2016 |
| ‘A brief discourse declaring how the service against the northern rebels may be advanced and the Connacht tumults in some sort repressed’, 1597 | Shane, Francis | Article in Book | | 2016 |
| ‘A demonstration how Ulster may be governed without danger to the Pale or increase of her majesty’s charges, with assurance of the uirríthe to her majesty and to prevent the greatness of the O’Neills hereafter’, 1587 | Waterhouse, Edward | Article in Book | | 2016 |
| ‘A discourse of the cause why Ireland hath continued so long in disorder and a mean to reform the same’, c. 1583 | Perrot, John | Article in Book | | 2016 |
| ‘A note set forth by your majesty’s faithful servant, Patrick Sherlock, for the reformation of Ireland, and how to augment your majesty’s revenues, and to cut off a great part of the charges that your majesty is daily at for the same’, c. 1574 | Sherlock, Patrick | Article in Book | | 2016 |
| ‘A plot conceived how that realm may be governed with contentation of the inhabitants and surety of the state’, 1578 | White, Nicholas | Article in Book | | 2016 |
| ‘A plot for erecting of certain wards within the province of Connacht, for the increase of her majesty’s revenue and the defence of the good subjects of the country, without charging of her majesty with any pay for the same’, 1593 | Bingham, Richard (?)Lane, Ralph (?) | Article in Book | | 2016 |
| ‘A plot for the better inhabiting of Clandeboye, the Route and the Glens, upon an offer made by certain inhabitants of the same countries’, 1573 | Devereux, Walter, 1st earl of Essex | Article in Book | | 2016 |
| ‘A plot for the establishing of a sound and severe government within your Majesty’s province of Mnster in Ireland’, 1589 | St Leger, Warham | Article in Book | | 2016 |
| ‘A probable discourse how upon the extinguishing of this rebellion the province of Munster may be kept from any revolt hereafter, how it may bear the charge of 1,200 men, yield revenue to her majesty, and in short time repay the charge of the war’, 1580 | Pelham, William | Article in Book | | 2016 |
| ‘A project for Ireland’, 1595 | Norris, John | Article in Book | | 2016 |
| ‘An humble offer of a service’, 1584 | Lane, Ralph | Article in Book | | 2016 |
| ‘Answers to be made to such objections as may be alleged against the plot set down for a sound government to be established in the province of Mnster in Ireland’, 1589 | St Leger, Warham | Article in Book | | 2016 |
| ‘Anthony Power his notes for reformation of Ireland unto Mr Secretary Walsingham’, 1573 | Power, Anthony | Article in Book | | 2016 |
| ‘Articles most important for the thorough reformation of Ireland, easily hereby compassed, to be a most quiet and rich commonwealth in short time’, 1593 | Cosby, Alexander (?) | Article in Book | | 2016 |
| ‘Articles of advice sent from the lord lieutenant, from Drogheda, by Gilbert Gerrard, attorney general’, 1561 | Radcliffe, Thomas, 3rd earl of Sussex | Article in Book | | 2016 |
| ‘Articles to be inquired of concerning the state and affairs of Ireland’, 1553 | Anonymous | Article in Book | | 2016 |
| ‘Certain brief notes set forth by your majesty’s most humble servant and subject, Patrick Sherlock, for the speedy reformation of the province of Munster in Ireland’, 1569 | Sherlock, Patrick | Article in Book | | 2016 |
| ‘Device for the reformation of Ireland’, c. 1585 | Williams, Thomas (?) | Article in Book | | 2016 |
| ‘Devices for the ordering of the Kavanaghs, the Byrnes, Tooles and ‘Omayles’ [Imaals] for such lands as they shall have within the county of Carlow and the marches of the same county, and also of the marches of the county of Dublin’, 1537 | Anonymous | Article in Book | | 2016 |
| ‘Evils which annoy the Pale’, 1580 | Gerrard, William | Article in Book | | 2016 |
| ‘For division of O’Rourke’s country’, 1591 | Merbury, John | Article in Book | | 2016 |
| ‘For the reformation of the north of Ireland, the banishing of the Scots and discharging her Majesty of a great charge’, 1585 | Taaffe, Nicholas | Article in Book | | 2016 |
| ‘Henry Burnell his device to ease the cess upon the country for the victualing of the garrison in Ireland’, 1577 | Burnell, Henry | Article in Book | | 2016 |
| ‘His opinion for divers things necessary to be observed for her majesty’s better service in Ireland’, 1579 | Baeshe, Edward | Article in Book | | 2016 |
| ‘His opinion of the proceedings and state of that realm’, 1581 | White, Nicholas | Article in Book | | 2016 |
| ‘Ill husbandry’ in the governance of Ireland, 1581 | Dillon, Robert | Article in Book | | 2016 |
| ‘Informations for her majesty’s behalf and for the commonwealth of the province of Munster in her majesty’s realm of Ireland’, 1585 | Tyrrye (Terrye), Edmund | Article in Book | | 2016 |
| ‘John Alen (?): A description of the power of the Irishmen of Leinster made in these days’, c. 1556 | | Article in Book | NA | 2016 |
| ‘Memorial’, 1590 | Gardener, Robert | Article in Book | | 2016 |
| ‘Mixed collections proving it necessary to make wars in Connacht and showing the easiness to overthrow the rebels’, 1589 | Merbury, John | Article in Book | | 2016 |
| ‘Mr Saxey about Irish inconveniences’, 1595 | Saxey:, William | Article in Book | | 2016 |
| ‘My lord chamberlain’s opinion touching the state of Desmond’s rebellion’, 1574 | Radcliffe, Thomas, 3rd earl of Sussex: | Article in Book | | 2016 |
| ‘My opinion for the government and reformation of Ulster’, 1574 | Devereux, Walter, 1st earl of Essex | Article in Book | | 2016 |
| ‘My poor opinion how to overthrow the traitors in Munster’, 1582 | Barkley, Edward | Article in Book | | 2016 |
| ‘Necessary things to be considered of concerning
the quiet maintenance of the state of Munster’, c. 1574 | Perrot, John | Article in Book | | 2016 |
| ‘Notes from the lord chancellor of Ireland to be considered of upon his dispatch’, 1580 | Gerrard, William | Article in Book | | 2016 |
| ‘Notes of certain inconveniences in Ireland with the remedies’, c. 1578 | Chaloner, John | Article in Book | | 2016 |
| ‘Notes to be considered upon touching the Earl of Tyrone’, 1590 | Fenton, Geoffrey | Article in Book | | 2016 |
| ‘Notes within the compass of memory touching cess’, 1577 | Burnell, HenryNetterville, Richard | Article in Book | | 2016 |
| ‘Opinions for the recovery of Ireland’, 1599 | Udall, William | Article in Book | | 2016 |
| ‘Project for Ireland delivered to the queen by an old captain of Ireland’, c. 1594 | Piers, William (?) | Article in Book | | 2016 |
| ‘Remembrances for her most excellent majesty concerning her realm of Ireland’, 1593 | Legge, Robert | Article in Book | | 2016 |
| ‘Russell’s discourse of the present state of Ireland and the way to redress and reform the same’, 1579 | Russell, William ? | Article in Book | | 2016 |
| ‘Short notes to be considered upon the reducing and settling of Munster’, 1584 | Colman, Morgan (?) | Article in Book | | 2016 |
| ‘Sport and Irish migration : new perspectives on its history and development’ | Curran, Conor : Heffernan, Conor | Article in Journal | | 2021 |
| ‘The beginning and continuance of the rebels of Ireland, by degrees truly discovered’, c. 1592 | Lovell, Thomas | Article in Book | | 2016 |
| ‘The bishop of Rosscarbery to the lord justices touching the present estate of Munster’, 1582 | Lyon, William | Article in Book | | 2016 |
| ‘The book for the reformation of Ireland’, 1574 | Gilbert, Humphrey | Article in Book | | 2016 |
| ‘The course best to be observed in the cause of O’Farrell’, 1590 | Gardener, Robert | Article in Book | | 2016 |
| ‘The humble petition and offer of Sir Thomas Gerrard, knight, in the behalf of himself and the companions of his attempt for the planting and inhabiting of the Glens and part of Clandeboye in the north of Ireland’, 1570 | Gerrard:, Thomas | Article in Book | | 2016 |
| ‘The opinion of William Mostyn touching the service of Connacht, how the same may be brought to better obedience to her Majesty than it was these 40 years past without any charge to her Highness’, 1597 | Mostyn, William | Article in Book | | 2016 |
| ‘The suit of Richard Spert and others for a fee farm of certain lands in Desmond’s country’, 1583 | Spert, Richard | Article in Book | | 2016 |
| ‘Thomas Alen (?): Matters for the good government of Ireland’, 1558 | | Article in Book | NA | 2016 |
| ‘Touching the converting of St Patrick’s church to a university’, 1584 | Perrot, John | Article in Book | | 2016 |
| ‘Whether the Queen’s Majesty be to be counselled to govern Ireland after the Irish manner, as it hath been accustomed, or to reduce it as near as may be to English government’, 1573 | Tremayne, Edmund | Article in Book | | 2016 |