Papers principally of Tom Kettle but containing some papers of his wife, Mary Sheehy Kettle.

Personal and political correspondence (1904–18). Correspondence, articles, news reports, notes and memorabilia from his American tour (1906–7). Some material relating to his career as MP for East Tyrone (1906–10) and as Professor of National Economics at University College Dublin (1909–16) including correspondence, notes, essays, texts of lectures and articles on economic subjects. Drafts and final versions of poems (1912–16) and correspondence and lectures on literary subjects (1908–13).

Drafts of articles on the Great War, material concerning his military service (1914–16) and letters of condolence (1916–17).

Personal correspondence of Mary Sheehy Kettle (1907–38) including correspondence concerning her husband’s published work (1917–50). Material concerning her involvement with the Irish Convention (1917) and her involvement with other issues and organisations (1918–50) including the Irish Nationalist Veterans’ Association (1926–30). Family papers and memorabilia (1907–32).