| Aighneas polaitíochta sa chúigiú haois déag: dán le Tadhg Óg Ó hUiginn ar cheathrú hIarla Urmhumhan | de Buitléir, Gearóidín | Article in Journal | | 2010 |
| From Ockwells Manor to Clonfert | Darracott, Anne | Article in Journal | | 2003 |
| The governing of the Lancastrian lordship of Ireland in the time of James Butler, fourth earl of Ormond | Matthew, E. A. E. | Thesis | | 1994 |
| The ordinances of the White Earl and the problem of coign in the later middle ages | Empey, C. A. (Adrian)Simms, Katharine | Article in Journal | | 1975 |
| The scribe who wrote for the White Earl | Ó Concheanainn, Tomás | Article in Journal | | 1973 |