| A history of early Irish farming | O'Loan, J. J. | Article in Journal | | 1965 |
| A history of early Irish farming | O'Loan, J. J. | Article in Journal | | 1965 |
| Land reclamation down the years | O'Loan, J. | Article in Journal | | 1959 |
| Land reclamation in Dromiskin, Co. Louth | O'Loan, J. | Article in Journal | | 1958 |
| Livestock in the Brehon laws | O'Loan, J. | Article in Journal | | 1959 |
| Nineteenth century administrators : William Thomas Mulvany | O'Loan, J. | Article in Journal | | 1960 |
| Origin and development of aerterial drainage in Ireland and the pioneers | O'Loan, J. | Article in Journal | | 1963 |
| The manor of Cloncurry, Co. Kildare, and the feudal system of land tenure in Ireland | O'Loan, J. J. | Article in Journal | | 1961 |