| A thirteenth century poem on Armagh cathedral | | Article in Journal | | 1956 |
| Annala Uladh (to A.D. 1131), part 1 : text and translation | | Monograph or Collective Volume | Institute for Advanced Studies | 1983 |
| Annals of Ulster (to A.D. 1131). Part 1 text and translation | | Monograph or Collective Volume | Dublin Institute for Advanced Studies | 1983 |
| BUPNS Reprints 32: Review: 'The Place-names of County Wicklow [IV] - The Barony of Talbotstown Lower. By Liam Price.([Dublin:] The Dublin Institute for Advanced Studies, 1953) | Arthurs, J.B. (Mac Airt, Seán) | Article in Journal | | 2008 |
| Conall of Tír Chonaill | Dobbs, M. E. (Margaret E.), 1871-1962Mac Airt, Seán | Article in Journal | | 1957 |
| County Armagh : toponymy and history | Mac Airt, Seán | Article in Journal | | 1955 |
| Leabhar Branach : the book the O'Byrnes | | Monograph or Collective Volume | Institute for Advanced Studies | 1944 |
| Notes & Documents. Ecclesiastical affairs in Armagh in the ninth and tenth centuries | Mac Airt, Seán | Article in Journal | | 2015 |
| St Patrick and Armagh, a symposium : 2, the chronology of St Patrick | Mac Airt, Seán | Article in Journal | | 1956 |
| The annals of Inisfallen | | Monograph or Collective Volume | Institute for Advanced Studies | 1951 |
| The Annals of Roscrea | | Article in Journal | | 1958 |
| The Annals of Ulster (to A.D. 1131); part 1 : Text and translation | | Monograph or Collective Volume | | 1983 |
| The churches founded by Saint Patrick | Mac Airt, Seán | Article in Book | | 1958 |
| The development of early modern Irish prose | Mac Airt, Seán | Article in Book | | 1961 |
| The seventeenth century Franciscan house 'At Drowes' | Mac Airt, Seán | Article in Journal | | 1958 |