| A comparative study of the wills of the first and fourth earls of Thomond | Ó Dálaigh, Brian | Article in Journal | | 1992 |
| A poem addressed to Donnchadh Ó Briain fourth earl of Thomond | Ní Úrdail, Meidhbhín | Article in Book | | 2004 |
| A threat of satire by Tadhg (mac Dáire) Mac Bruaideadha | McLaughlin, Roisín | Article in Journal | | 2005 |
| An elegy on Donnchadh Ó Briain, fourth earl of Thomond | | Article in Journal | | 1984 |
| Continuity and change : Donnchadh O'Brien, fourth earl of Thomond (d. 1624), and the anglicisation of the Thomond lordship | Cunningham, Bernadette | Article in Book | | 2008 |
| Documents from the Thomond Papers at Petworth House Archive [with index] | | Article in Journal | | 2011 |
| Donough O'Brien, fourth earl of Thomond | Maher, Peter | Article in Journal | | 1984 |
| Ennis Friary:peaceful; present, bloody past | Rainsford, John | Article in Journal | | 2011 |
| Mór a-tá ar theagasg flatha: speculum principis le Tadhg mac Dáire Mheic Bhruaideadha | Nic Cárthaigh, Emma | Article in Book | | 2013 |
| The earl and the bishop : further lights on the Thomond and O'Dea monuments in St. Mary's Cathedral, Limerick | Tait, Clodagh | Article in Journal | | 2002 |
| The Earl of Thomond's 1615 Survey of Ibrickan, Co. Clare | McInerney, Luke | Article in Journal | | 2013 |
| The Earl of Thomond's letter to a London jeweller, 1595 | Ó Dálaigh, Brian | Article in Journal | | 2005 |