| "The continuation of Bede", s.a. 750 : high-kings, kings of Tara and "Bretwaldas" | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | Four Courts Press | 2000 |
| An inventory of Latin lives of Irish saints from St Anthony's College, Louvain, c.1643 | Breatnach, Pádraig A. | Article in Book | Four Courts Press | 2000 |
| Bishop Patrick and the earliest Christian mission to Ireland | Smyth, Alfred P., 1942- | Article in Book | | 2002 |
| Celtic Leinster : towards an historical geography of early Irish civilization AD 500-1600 | Smyth, Alfred P., 1942- | Monograph or Collective Volume | Irish Academic Press | 1982 |
| Faith, famine and fatherland in the nineteenth-century Irish midlands : perceptions of a priest and historian, Anthony Cogan, 1826-1872 | Smyth, Alfred P., 1942- | Monograph or Collective Volume | | 1992 |
| Francis John Byrne : writings | Smyth, Alfred P., 1942- | Article in Book | | 2000 |
| Húi Failgi relations with the Húi Néill, in the century after the loss of the Plain of Mide | Smyth, Alfred P., 1942- | Article in Journal | | 1975 |
| Kings, saints and sagas | Smyth, Alfred P., 1942- | Article in Book | | 1994 |
| Scandinavian kings in the British Isles, 850-880 | Smyth, Alfred P., 1942- | Monograph or Collective Volume | Oxford University Press | 1977 |
| Scandinavian York and Dublin : the history and archaeology of two related Viking kingdoms. 2 vols. | Smyth, Alfred P., 1942- | Monograph or Collective Volume | Templekieran | 1975 |
| Seanchas : Studies in Early and Medieval Irish Archaeology, History and Literature in Honour of Francis J. Byrne | | Monograph or Collective Volume | Four Courts Press | 2000 |
| Tara : a place for all Ireland | Smyth, Alfred P., 1942- | Article in Book | | 2015 |
| The black foreigners of York and the white foreigners of Dublin | Smyth, Alfred P., 1942- | Article in Journal | | 1975 |
| The earliest Irish annals : their first contemporary entries, and the earliest centres of recording | Smyth, Alfred P., 1942- | Article in Journal | | 1972 |
| The effect of Scandinavian raiders on the English and Irish churches : a preliminary reassessment | Smyth, Alfred P., 1942- | Article in Book | | 1999 |
| The golden age of early Irish monasticism : myth or historical reality? | Smyth, Alfred P., 1942- | Article in Book | | 2002 |
| The Huí Néill and the Leinstermen in the Annals of Ulster (431-516) | Smyth, Alfred P., 1942- | Article in Journal | | 1975 |