History HubDiarmaid Ferriter discusses the Anglo Irish Treaty (Full Interview) video clip, 2020
National Archives UK Cabinet Memorandum. The Irish Situation. open_in_new document, 30 May 1922
Hathi Trust Digital LibraryThe struggle of the Irish people. Address to the Congress of the United States book, January 1921
UCD History HubAnglo-Irish War/War of Independence (The Irish Revolution Lecture 7) podcast, 2014