| Colonel W. Robertson's 'plans for the defence of the Irish coasts and foreign invasion and to prepare for security, taken occasionally in 1796, '97 & '98 | O'Connell, J. W. | Article in Journal | | 1998 |
| Commodore John Barry | O'Connell, J. J. | Article in Journal | | 1941 |
| Ireland in strategical geography | O'Connell, J. J. | Article in Journal | | 1937 |
| Kern and galloglass | O'Connell, J. J. | Article in Journal | | 1943 |
| Obligationes pro annatis diocesis Ardfertensis | | Article in Journal | | 1958 |
| Owen Roe and Benburb | O'Connell, J. J. | Article in Journal | | 1946 |
| Post-medieval and modern times in the Burren | O'Connell, J. W. | Article in Book | | 1991 |
| T.J. Westropp : the father of Burren archaeology | O'Connell, J. W. | Article in Book | | 1991 |
| The army split in Laois March 1922 | Gray, Mick, Comdt ; O'Connell, J.J. ("Ginger"), Col. | Article in Journal | | 2006 |
| The book of Aran : the Aran Islands, Co. Galway | | Monograph or Collective Volume | [s.n.] | 1994 |
| The book of the Burren | | Monograph or Collective Volume | Tir Eolas | 1991 |
| The church in Ireland in the fifteenth century. 1 : Diocesan organization : Kerry | O'Connell, J. | Article in Journal | | 1956 |
| The famine in Kinvara | O'Connell, J. W.Quinn, Pascal | Article in Journal | | 1995 |
| The Irish wars : a military history of Ireland from the Norse invasions to 1798 | O'Connell, J. J. | Monograph or Collective Volume | | 1920 |
| The Life and Speeches of Daniel O'Connell, MP | O'Connell, DanielO'Connell, J. | Monograph or Collective Volume | | 1846 |
| The vulnerability of Ireland in war | O'Connell, J. J. | Article in Journal | | 1938 |
| Two County Kerry placenames | O'Connell, J. | Article in Journal | | 1965 |