History HubDiarmaid Ferriter discusses the Anglo Irish Treaty (Full Interview) video clip, 2020
Google Arts and CultureInstructions to Plenipotentiaries from Cabinet open_in_new document, 7 October 1921
National Archives UK Cabinet Memorandum. The Irish Situation. open_in_new document, 30 May 1922
National Archives UK Cabinet Memorandum – Ireland (Draft Constitution) open_in_new document, 1 June 1922