The collection primarily consists of correspondence of Irish politician, revolutionary, nationalist, and suffragist Constance de Markiewicz. Also includes posthumous materials documenting the 150th anniversary of Markievicz's birth and more, including biographies, newspaper clippings, exhibit ephemera, a real estate catalog, and photographs.

Collection is open for research.

Correspondence received by Irish bank manager and history enthusiast F. W. Saunders, as well as a scrapbook containing ephemera related to W. B. Yeats. Correspondents include Jack B. Yeats and Elizabeth Corbet Yeats.

Collection is open for research.

This collection contains the correspondence, legal and administrative documents, photographs, and artifacts of Gusty Spence (1933-2011), a leader of the Ulster Volunteer Force (UVF) and loyalist politician in Northern Ireland.

Collection is open for research.