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
Documents on Irish Foreign Policy Extract from statement by Michael Collins on Northern Ireland policy open_in_new document, 4 February 1922
Bicycles, Barracks & BandoliersMemo regarding Catholic recruitment in the RUC and USC memo, March 1922
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
RTE Century Ireland Introducing de Valera – The East Clare by-election and the rise of an Irish political leader open_in_new article, 2017