National Portrait GalleryThe Mad Bull (James Craig, 1st Viscount Craigavon; Michael Collins) cartoon, 15 February 1922
History HubDiarmaid Ferriter discusses the Anglo Irish Treaty (Full Interview) video clip, 2020
YouTube - RTEWhat role did sectarianism play in the creation of Northern Ireland? video clip, 2021
Decade of Centenaries timelinePro-treaty leaflet detailing some arguments about the anti-treaty supporters leaflet, 15 June 1922
Irish Election LiteratureCumann Na Saoirse “Points For Canvassers” Leaflet leaflet, 16 June 1922
Decade of Centenaries timelineFire fighters extinguishing the flames, Messrs. William Campbell & Co photograph, 22 May 1922
Decade of Centenaries timelineCivilians in Belfast being searched by police photograph, 13 March 1922
National Archives UK Cabinet Memorandum. The Irish Situation. open_in_new document, 30 May 1922
Hathi Trust Digital LibraryThe struggle of the Irish people. Address to the Congress of the United States book, January 1921
Flickr - NLIMilitary carrying out official reprisal following an ambush in Meelin, Co. Cork photograph, January 1921
RTE Century IrelandBetween armed rebellion and democratic revolution: the Irish Question in 1917 open_in_new article, 2017
Decade of Centenaries timelineJohn Redmond has ‘Second Thoughts’ about ‘Home Rule’ political cartoon, October 1913