| A survey of the antiquities in the barony of Small County, county Limerick | O'Kelly, M. J. (Michael Joseph) | Article in Journal | | 1944 |
| A wooden bridge on the Cashen river, Co. Kerry | O'Kelly, M. J. (Michael Joseph) | Article in Journal | | 1961 |
| Bronze-age Ireland | O'Kelly, M. J. (Michael Joseph) | Article in Book | | 2005 |
| Burning of the Dublin custom house : a graphic account of an historic exploit | O'Kelly, M. J. (Michael Joseph) | Article in Journal | | 1942 |
| Church Island, near Valencia, county Kerry | O'Kelly, M. J. (Michael Joseph) | Article in Journal | | 1958 |
| Early Ireland : an introduction to Irish prehistory | O'Kelly, M. J. (Michael Joseph) | Monograph or Collective Volume | [s.n.] | 1989 |
| Excavation of a cist grave at Ballynahow, Fermoy Co.Cork | O'Kelly, M. J. (Michael Joseph) | Article in Journal | | 1946 |
| Excavation of a ring-fort at Garryduff, Co. Cork | O'Kelly, M. J. (Michael Joseph) | Article in Journal | | 1946 |
| Gobnait Naomhtha Bhaile Mhuirne | Henry, Françoise, 1902-1982O'Kelly, M. J. (Michael Joseph)Ó Héideáin, Eustás | Monograph or Collective Volume | [s.n.] | 1978 |
| Ireland before 3000 B.C. | O'Kelly, M. J. (Michael Joseph) | Article in Book | | 2005 |
| Monastic sites in the West of Ireland | O'Kelly, M. J. (Michael Joseph) | Article in Journal | | 1974 |
| Neolithic Ireland | O'Kelly, M. J. (Michael Joseph) | Article in Book | | 2005 |
| Newgrange : archaeology, art and legend | O'Kelly, M. J. (Michael Joseph) | Monograph or Collective Volume | Thames & Hudson | 1988 |
| Newgrange : archaeology, art and legend | O'Kelly, M. J. (Michael Joseph) | Monograph or Collective Volume | Thames & Hudson | 1982 |
| Old house types near Lough Gur, Co. Limerick | O'Kelly, M. J. (Michael Joseph)Ó Ríordáin, S. P., | Article in Book | | 1995 |
| Recent southern archaeological finds | O'Kelly, M. J. (Michael Joseph) | Article in Journal | | 1946 |
| Some prehistoric monuments of Imokilly | O'Kelly, M. J. (Michael Joseph) | Article in Journal | | 1945 |
| The collegiate chapel, Cork | O'Kelly, M. J. (Michael Joseph) | Monograph or Collective Volume | University P. | 1946 |
| The Honan chapel, University College, Cork | O'Kelly, M. J. (Michael Joseph) | Monograph or Collective Volume | Cork University Press | 1967 |