UCD History HubAftermath of The Rising and 1917 By-Elections. (The Irish Revolution Lecture 5) podcast, 2014
Hathi Trust Digital LibraryThe struggle of the Irish people. Address to the Congress of the United States book, January 1921
National Archives UKIrish Settlement: Proposals of the British government open_in_new document, 20 July 1921
National Archives UKLetter from Sir James Craig to the Prime Minister open_in_new document, 29 July 1921