UCD Digital LibraryGroup of IFS Army soldiers firing artillery on the Four Courts photograph, 28 June 1922
National Archives UK Cabinet Memorandum. Ireland – Capture of Four Courts. open_in_new document, 30 June 1922
Google Arts & CultureWar News No.3- Anti-Treaty Newsletter open_in_new newsletter, 30 June 1922
Warwick Digital CollectionsPeace with Ireland: Labour’s Proposals for a Settlement by Consent leaflet, 26 January 1921
Hathi Trust Digital LibraryThe struggle of the Irish people. Address to the Congress of the United States book, January 1921
Decade of Centenaries timelineIreland’s Solemn League and Covenant: Anti-conscription protest form document, April 1918
Flickr - NLIThe shell of the G.P.O. on Sackville Street after the 1916 Rising photograph, May 1916