| A great archbishop of Dublin, William King, D.D., 1650-1729 : his autobiography, family and a selection from his correspondence | | Monograph or Collective Volume | | 1906 |
| Acts of Archbishop Colton in his metropolitan visitation of the diocese of Derry, A.D. MCCCXCVII, with a rental of the see estates at that time | | Monograph or Collective Volume | | 1850 |
| An léann eaglasta in Éirinn 1000-1200 | | Monograph or Collective Volume | | 1982 |
| Ancient charters in the Liber Albus Ossoriensis | | Article in Journal | | 1908 |
| Bishop Dopping's visitation book, 1682-85 | | Article in Journal | | 1975 |
| Calendar of the Liber Ruber of the diocese of Ossory | | Article in Journal | | 1908 |
| Chartularies of St Mary's abbey, Dublin; with the register of its house at Dunbrody, and annals of Ireland. 2 vols. | | Monograph or Collective Volume | | 1884 |
| Crede mihi : the most ancient register book of the archbishops of Dublin before the reformation | | Monograph or Collective Volume | | 1897 |
| Documents relating to the medieval diocese of Armagh | | Article in Journal | | 1947 |
| English law in medieval Ireland : two illustrative documents | | Article in Journal | | 1960 |
| Fragments of a lost register of the diocese of Clogher | | Article in Journal | | 1916 |
| Irish material in the Augustinian General Archives, Rome, 1354-1624 | | Article in Journal | | 1956 |
| Irish representatives and Irish ecclesiastical affairs at the Fourth Lateran Council | Dunning, P. J. | Article in Book | | 1961 |
| Italy and Ireland in the middle ages | Berardis, Vincenzo | Monograph or Collective Volume | Clonmore & Reynolds | 1950 |
| James Bonnell, churchman (1653-99) | McAdoo, H. R. | Article in Journal | | 1952 |
| Kilcooly abbey | Conway, Colmcille | Article in Journal | | 1985 |
| Laurentius von Dublin und das irische Normannentum | O'Doherty, J. F. | Monograph or Collective Volume | | 1933 |
| Leabhar na nUrnaightheadh gComhchoidchiond | | Monograph or Collective Volume | | 1608 |
| Léann agus diagacht phrotastúnach in Éirinn, 1500-1700 | Ó Glaisne, Risteárd, 1927-2003 | Article in Book | | 1988 |
| Les diocèses d'Irlande jusqu'au XVe siècle | Millett, Benignus | Article in Journal | | 1985 |
| Letter from the archbishops of Tuam and Dublin to William Marshall, earl of Pembroke, requiring him to restore the possessions of the bishopric of Ferns...1216 | | Article in Journal | | 1864 |
| Letters of Pope Innocent III to Ireland : a calendar supplementary to that of Calendar of Papal Registers I (ed. W.H. Bliss) | Dunning, J. | Article in Journal | | 1947 |
| Letters of Pope Innocent IV relating to Ireland | | Article in Journal | | 1959 |
| Limerick, Killaloe, and Kells, 1194-1250 | | Article in Journal | | 1977 |
| Mediaeval Ireland : saints and martyrologies : selected studies. | Hennig, JohnRichter, Michael, 1943-2011 | Monograph or Collective Volume | Vaviorum | 1989 |
| Medieval cathedral chapters | Hand, Geoffrey Joseph | Article in Journal | | 1956 |
| Medieval Ireland in Cistercian records | Hennig, John | Article in Journal | | 1950 |
| Medieval Irish cathedral chapters | Nicholls, K. W. (Kenneth W.) | Article in Journal | | 1973 |
| Medieval Meath manuscripts | O'Sullivan, William, 1921-2000 | Article in Journal | | 1985 |
| Medieval sources : Registrum Clogherense | | Article in Journal | | 1961 |
| Medieval studies presented to Aubrey Gwynn, S.J. | | Monograph or Collective Volume | Three Candles | 1961 |
| Memoir of ... Power le Poer Trench, last Archbishop of Tuam | D'Arcy, Joseph, Sir | Monograph or Collective Volume | | 1845 |
| Miscellanea Vaticano-Hibernica | | Article in Journal | | 1917 |
| Negotiations between Edward II and John XXII concerning Ireland | Watt, J. A. | Article in Journal | | 1956 |
| Nicolas Mac Maol Íosa, archbishop of Armagh, 1272-1303 | Gwynn, Aubrey | Article in Book | | 1995 |
| Note of the register of Archbishop Alen | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Article in Journal | | 1907 |
| Notices of the manor of St Sepulchre, Dublin, in the fourteenth century | | Article in Journal | | 1889 |
| Original letters and papers in illustration of the history of the church in Ireland during the reigns of Edward VI, Mary and Elizabeth | | Monograph or Collective Volume | | 1851 |
| Papal legates in Ireland during the twelfth century | Gwynn, Aubrey | Article in Journal | | 1944 |
| Papal letters of Clement VII of Avignon (1378-94) relating to Ireland and England | | Article in Journal | | 1982 |
| Papal letters of the fifteenth century as a source for Irish history | Flanagan, U. G. | Article in Journal | | 1958 |
| Papal provisions in Ireland, 1305-78 | Flanagan, U. G. | Article in Book | | 1961 |
| Political problems 1860-78 | Corish, Patrick J. | Monograph or Collective Volume | Gill | 1967 |
| Pope Gregory VII and the Irish church | Gwynn, Aubrey | Article in Journal | | 1941 |
| Primate Reginald and Henry III | O'Halloran, M. | Article in Journal | | 1952 |
| Problems common to both protestant and catholic churches in eighteenth-century Ireland | Johnston, E. M. | Article in Book | | 1983 |
| Processional cross, pricket-candlestick, and bell, found together at Sheephouse, near Oldbridge, Co. Meath | Armstrong, E. C. R. | Article in Journal | | 1915 |
| Provincial and diocesan decrees of the diocese of Dublin during the Anglo-Norman period | | Article in Journal | | 1944 |
| Raphoe and Derry in the twelfth & thirteenth centuries | Gwynn, Aubrey | Article in Journal | | 1959 |
| Rectory, vicarage, and parish in the western Irish dioceses | Nicholls, K. W. (Kenneth W.) | Article in Journal | | 1971 |
| Register of wills and inventories of the diocese of Dublin in the time of archbishops Tregury and Walton, 1457-1483 | Berry, H. F. | Monograph or Collective Volume | | 1898 |
| Registrum cantariae S. Salvatoris Waterfordensis : (B.M. Harl. 3765) | | Article in Journal | | 1966 |
| Registrum de Kilmainham : register of chapter acts of the hospital of Saint John of Jerusalem in Ireland, 1326-1339, under the grand prior, Sir Roger Outlawe, with additions for the times of his successors, Sir John Mareschall, Sir John Larcher and Sir John Fitzrichard, grand priors of Ireland | | Monograph or Collective Volume | Stationery Office | 1932 |
| Religion in late medieval Ireland | Lynch, Anthony | Article in Journal | | 1981 |
| Roscrea : a history of the Catholic parish of Roscrea from the earlies t times to the present day with some account of the territories of Uí Cairin and Éile Uí Cearbhaill | Gleason, D. F | Monograph or Collective Volume | | 1947 |
| Rotulus pipae Clonensis | | Monograph or Collective Volume | | 1859 |
| Smaointe Beatha Chríost. i. innsint Ghaelge a chuir Tomás Gruamdha Ó Bruacháin (fl. c.1450) ar an Meditationes vitae Christi | | Monograph or Collective Volume | Institiúid Árd-Léinn Bhaile Átha Cliath [Dublin Institute for Advanced Studies] | 1944 |
| Some ancient deeds of the parish of St Werburgh, Dublin, 1243-1676 | Berry, H. F. | Article in Journal | | 1915 |
| Some further medieval seals out of the Ormond archives, including that of Donal Reagh MacMurrough Kavanagh, king of Leinster | Curtis, Edmund, 1881-1943 | Article in Journal | | 1937 |
| Some responses to the protestant reformation in sixteenth-century Meath | Walshe, H. C. | Article in Journal | | 1987 |
| Spioradáltacht na hÉireann 1200-1500 | Ó Laoghaire, Diarmuid, SJ | Article in Book | | 1988 |
| St Bernard as an historian : the 'Life of St Malachy of Armagh' | O'Dwyer, B. W. | Article in Journal | | 1978 |
| St Malachy of Armagh | Gwynn, Aubrey | Article in Journal | | 1949 |
| Tenants and agriculture near Dublin in the fourteenth century | Mills, James | Article in Journal | | 1890 |
| The abbey of St Francis, Galway | Jennings, Brendan | Article in Journal | | 1946 |
| The appointment of coarb and erenagh | Barry, J. G. | Article in Journal | | 1960 |
| The archdeacons of Kells | Brady, John, d.1963 | Article in Journal | | 1947 |
| The Augustinian friaries in pre-reformation Ireland | Martin, F. X. (Francis Xavier), 1922-2000 | Article in Journal | | 1956 |
| The basilica in early Ireland | Doherty, Charles | Article in Journal | | 1984 |
| The bishops of Cork in the twelfth century | Gwynn, Aubrey | Article in Journal | | 1950 |
| The Black Book of Limerick | Russell, C. W. (Charles William) | Article in Book | | 1872 |
| The clerical estate in later medieval Ireland : alien settlement or element of conciliation? | Walsh, Katherine | Article in Book | | 1988 |
| The cult of St. Brigit | Bowen, E. G. | Article in Journal | | 1973 |
| The diocese of Emly | Seymour, St. John D. | Monograph or Collective Volume | | 1913 |
| The diocese of Limerick in the twelfth century | Gwynn, Aubrey | Article in Journal | | 1946 |
| The Dublin convention, the protestant community and the emergence of an ecclesiastical settlement in 1660 | McGuire, J. I. | Article in Book | | 1983 |
| The earl-bishop : the life of Frederick Hervey, bishop of Derry, earl of Bristol. 2 vols. | Childe-Pemberton, W. S. | Monograph or Collective Volume | | 1925 |
| The erenagh in the monastic Irish church | Barry, J. G. | Article in Journal | | 1958 |
| The hospital of St John of Jerusalem in Ireland | Falkiner, C. L. (Caesar Litton) | Article in Journal | | 1907 |
| The Irish Church and the Reform ministries | Condon, M. D. | Article in Journal | | 1964 |
| The kings of England and papal provisions in fifteenth-century Ireland | Edwards, R. W. D. (Robert Walter Dudley) | Article in Book | | 1961 |
| The letters of Innocent III as a source for Irish history | Dunning, P. J. | Article in Journal | | 1958 |
| The Letters of Pope Innocent III to Ireland | Dunning, P. J. | Article in Book | | 1964 |
| The licensing of mortmain alienations in the medieval lordship of Ireland | Brand, Paul | Article in Journal | | 1986 |
| The liturgy in Dublin, 1200-1500 : manuscript sources | Hawkes, William | Article in Journal | | 1958 |
| The manuscript known as the Liber Flavus Fergusiorum | Gwynn, E.J. (Edward John) | Article in Journal | | 1906 |
| The medieval chapter of St Mary's cathedral, Limerick | Hand, Geoffrey Joseph | Article in Book | | 1961 |
| The medieval province of Armagh, 1470-1545 | Gwynn, Aubrey | Monograph or Collective Volume | Tempest | 1946 |
| The monuments of the pre-reformation archbishops of Dublin | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Article in Journal | | 1917 |
| The national monuments of Ireland | Wheeler, Henry | Article in Journal | | 1986 |
| The offices of S. Finnian of Clonard and S. Cíanán of Duleek | Hughes, Kathleen Winifred | Article in Journal | | 1955 |
| The origins of the diocese of Clogher | Simms, Katharine | Article in Journal | | 1980 |
| The palace of St Sepulchre | Jackson, Victor | Article in Journal | | 1974 |
| The papacy and episcopal appointments in thirteenth-century Ireland | Watt, J. A. | Article in Journal | | 1959 |
| The records of the archbishops of Armagh, being an indexed catalogue of manuscripts, documents and books in the Archiepiscopal Registry of Armagh | Love, H. W. | Monograph or Collective Volume | Dundealgan Press | 1965 |
| The reformation bishops of the diocese of Waterford and Lismore | Cowman, Des | Article in Journal | | 1984 |
| The register of Clogher | | Article in Journal | | 1969 |
| The rivalry of the cathedral chapters in medieval Dublin | Hand, Geoffrey Joseph | Article in Journal | | 1962 |
| The royal supremacy and ecclesiastical revolution, 1534-47 | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Book | | 1976 |
| The royal visitation of Dublin, 1615 | | Article in Journal | | 1941 |
| The status of coarbs and erenaghs | Barry, J. G. | Article in Journal | | 1960 |
| The strange career of William de la Poer Beresford | Bolton, G. C. (Geoffrey Curgenven) | Article in Book | | 1991 |
| The strange case of Bishop John Atherton | Winnett, Robert | Article in Journal | | 1988 |
| The Templars in Ireland | Wood, Herbert | Article in Journal | | 1907 |
| The twelfth-century reform | Gwynn, Aubrey | Monograph or Collective Volume | Gill & Macmillan | 1968 |
| The visitation of the archbishop of Cashel to Waterford and Limerick, 1374-5 | Logan, F. Donald (Francis Donald), 1930- | Article in Journal | | 1976 |
| Tiomn Nuadh ár dTighearna agus ar slanaightheora Íosa Críost | | Monograph or Collective Volume | | 1602 |
| Two sermons of Primate Richard FitzRalph, preached before the provincial councils of Armagh on 7 February 1352 and 5 February 1355 | | Article in Journal | | 1949 |
| Unpublished medieval notitiae and epistolae [1217-36] | | Article in Journal | | 1964 |
| Vatican Archives. Instrumenta Miscellanea : documents of Irish interest [1261-1805] | Dodd, R. J. | Article in Journal | | 1956 |
| Vitae Sanctorum Hiberniae ex codice olim Salmanticensi nunc Bruxellensi | | Monograph or Collective Volume | | 1965 |
| William Connor Magee | Hanson, R. P. G. | Article in Journal | | 1978 |
| William Walsh, bishop of Meath, 1554-1577 | Hogan, Flannan | Article in Journal | | 1977 |
| Women and religious practice | Corish, Patrick J. | Article in Book | | 1991 |