BBC - Story of IrelandStory of Ireland: James Craig and the Catholic Minority open_in_new video clip, 2014
National Archives UKLetter from Lloyd George inviting Craig and de Valera to a conference open_in_new document, 24 June 1921
Decade of Centenaries timelinePeace vigil: groups of women and youths saying the rosary photograph, 1921
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