National Portrait GalleryThe Mad Bull (James Craig, 1st Viscount Craigavon; Michael Collins) cartoon, 15 February 1922
UCD History HubJohn Redmond’s Woodenbridge speech and the split in the Irish Volunteers podcast, c.2015
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
History Ireland Tit-for-tat: the War of Independence in the northern counties open_in_new article, 2012
Documents on Irish Foreign PolicyHeads of agreement between the provisional government and the government of Northern Ireland open_in_new document, 30 March 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
Decade of Centenaries timelineBallytrain RIC barracks captured and sacked by the IRA. photograph, 1920