UCD History HubArthur Griffith, Sinn Fein and the IRB (The Irish Revolution Lecture 3) podcast, 2014
UCD History HubAftermath of The Rising and 1917 By-Elections. (The Irish Revolution Lecture 5) podcast, 2014
National Archives UK Letter from General Smuts to Eamon de Valera open_in_new letter, 4 August 1921
National Archives UK Cabinet Memorandum. The Irish Situation. open_in_new document, 30 May 1922