Among the sources for Irish Studies are:
- A Topographical Dictionary of Ireland by Samuel Lewis
- Journals including Studies, Analecta Hibernica, Béaloideas, The Irish Sword and Irish Historical Studies
- The Monsignor John V. Sheridan Collection, consisting of books on all aspects of Ireland
- A wide variety of publications including key reference works such as Burke's Landed Gentry and Burke's Irish Family Records.