| Count O'Donnell and the Austrian emperor | Ó Cochlainn, Rupert S. | Article in Journal | | 1956 |
| Hugh O'Donnell of Larkfield | Ó Cochlainn, Rupert S. | Article in Journal | | 1985 |
| Hugh O'Donnell of Larkfield | Ó Cochlainn, Rupert S. | Article in Journal | | 1991 |
| Leopold O'Donnell and the Spanish-Moroccan campaign, 1859-60 | Ó Cochlainn, Rupert S. | Article in Journal | | 1966 |
| Napper Tandy's raid on Rutland (1798) | Ó Cochlainn, Rupert S. | Article in Journal | | 1970 |
| Sources of O'Donnell genealogy | Ó Cochlainn, Rupert S. | Article in Journal | | 1986 |
| The Cathach, battle book of the O'Donnells | Ó Cochlainn, Rupert S. | Article in Journal | | 1968 |
| The earldom and Tyrconnell and related matters | Ó Cochlainn, Rupert S. | Article in Journal | | 1997 |
| The O'Donnells in Austria | Ó Cochlainn, Rupert S. | Article in Journal | | 1962 |
| The voyage of the 'Countess of Arran' | Ó Cochlainn, Rupert S. | Article in Journal | | 1981 |