| A chronicle of Irish saints | Flanagan, Laurence | Monograph or Collective Volume | | 1990 |
| A group of early Christian carved stone monuments in County Donegal | Harbison, Peter | Article in Book | | 1986 |
| A passion for justice : social ethics in the Celtic tradition | McMaster, Johnston | Monograph or Collective Volume | Dunedin Academic Press | 2008 |
| Célí Dé : spiritual reform in Ireland, 750-900 | O'Dwyer, Peter | Monograph or Collective Volume | | 1981 |
| Christianity or solar monotheism : the early religious beliefs of St. Patrick | Powell, T. E. | Article in Journal | | 1992 |
| Churches and communities in early medieval Ireland : towards a pastoral model | Sharpe, Richard | Article in Book | | 1992 |
| Clerics as rulers : some implications of the terminology of ecclesiastical authority in early medieval Ireland | Davies, Wendy, 1942- | Article in Book | | 1982 |
| Columba, Adomnan and the achievement of Iona. 2 pts. | Bullough, D. A. | Article in Journal | | 1965 |
| Cummianus Longus and the iconography of Christ and the apostles in early Irish literature | Ó Cróinín, Dáibhí | Article in Book | | 1989 |
| Early Christian antiquities at Clonmore, county Carlow | Harbison, Peter | Article in Journal | | 1991 |
| Iona, Kells and Derry : the history and hagiography of the monastic Familia of Columba | Herbert, Máire | Monograph or Collective Volume | Clarendon Press | 1988 |
| Ireland and Christendom : the bible and the missions | | Monograph or Collective Volume | | 1987 |
| Irish monasticism : origins and early development | Ryan, John | Monograph or Collective Volume | | 1931 |
| Irish monks in the Golden Age | | Monograph or Collective Volume | | 1963 |
| Irland und Europa -Ireland and Europe. Die Kirche im Frühmittelalter - the early Church | | Monograph or Collective Volume | | 1984 |
| Irland und Europa : die Kirche im Frühmittelalter | Richter, Michael, 1943-2011 | Article in Book | | 1984 |
| Isle of the saints : monastic settlement and Christian community in early Ireland | Bitel, Lisa M., 1958- | Monograph or Collective Volume | Cornell University Press | 1990 |
| Map of monastic Ireland. | | Monograph or Collective Volume | | 1964 |
| Mission and monasticism in the Confessio of Patrick | Herren, Michael | Article in Book | | 1989 |
| Old Ireland and her liturgy | Hennig, John | Article in Book | | 1965 |
| Some British aspects of the earliest Irish Christianity | Dumville, David N. | Article in Book | | 1984 |
| Some Linguistic Evidence Relating to the British Church | Greene, David | Article in Book | | 1968 |
| Some notes on the early British church | Best, W. S. | Article in Journal | | 1949 |
| St Columban : monk or missionary? | Walker, G. S. M. | Article in Book | | 1970 |
| St. Bega and her bracelet | Last, C. E. | Article in Journal | | 1953 |
| St. Brendan sources : St. Brendan and early Irish hagiography | Ó Caoimh, Tomás | Article in Book | | 1989 |
| St. Cuthbert, his Cult and his Community to AD 1200 | | Monograph or Collective Volume | | 1989 |
| Studies in Celtic survival | | Monograph or Collective Volume | | 1977 |
| Studies in the early British Church | Brooke, Christopher Nugent LawrenceChadwick, Nora Kershaw, 1891-1972Hughes, Kathleen WinifredJackson, Kenneth | Monograph or Collective Volume | | 1958 |
| The church in early Irish society | Hughes, Kathleen Winifred | Monograph or Collective Volume | Methuen | 1966 |
| The debt of the early English church to Ireland | Campbell, James, 1935- | Article in Book | | 1987 |
| The early church in Northumbria | Gallyon, M. | Monograph or Collective Volume | | 1977 |
| The early church in western Britain and Ireland : studies presented to C.A. Ralegh Radford | | Monograph or Collective Volume | B.A.R. | 1982 |
| The early Irish Church and the Western patriarchate | Corish, Patrick J. | Article in Book | | 1984 |
| The early Irish churches : some aspects of organization | Ó Corráin, Donnchadh | Article in Book | | 1981 |
| The globalisation of God : Celtic Christianity's nemesis | Harper, TessMolloy, Dara | Monograph or Collective Volume | Aisling Publications | 2009 |
| The origins of early Christian Ireland | Mytum, Harold C. | Monograph or Collective Volume | | 1992 |
| The pastoral role of the church in the early Irish laws | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 1992 |
| The text of the Latin Bible in the early Irish church : some data and desiderata | McNamara, Martin | Article in Book | | 1987 |
| The twelfth-century reform | Gwynn, Aubrey | Monograph or Collective Volume | Gill & Macmillan | 1968 |
| The wild and woolly west : early Irish Christianity and Latin orthodoxy | Bradshaw, Brendan | Article in Book | | 1989 |
| Tradition and creativity in early Irish psalter study | McNamara, Martin | Article in Book | | 1984 |
| Zur Spiritualität des frühen irischen Mönchtums | Vogt, H. J. | Article in Book | | 1982 |