UCD History HubAftermath of The Rising and 1917 By-Elections. (The Irish Revolution Lecture 5) podcast, 2014
RTE Century IrelandSinn Féin leaders arrested over alleged ‘German plot’ open_in_new article, 2018
Hathi Trust Digital LibraryThe struggle of the Irish people. Address to the Congress of the United States book, January 1921
National Archives UK Cabinet Memorandum – Ireland (Draft Constitution) open_in_new document, 1 June 1922