Houses of OireachtasDáil Éireann Declaration of Independence open_in_new debate, 21 January 1919
House of OireachtasMessage to the Free Nations of the World open_in_new debate, 21 January 1919
UCD History HubAnglo-Irish War/War of Independence (The Irish Revolution Lecture 7) podcast, 2014
Hathi Trust Digital LibraryThe struggle of the Irish people. Address to the Congress of the United States book, January 1921