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
Bureau of Military HistoryThe Minister of Defence orders that the Convention be not held newsletter, 31 March 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
Warwick Digital CollectionsImage of Sackville Street after Rebellion in Dublin, April, 1916 booklet, April 1916
Century Ireland - YouTubeSeven Signatories of the Easter Rising: James Connolly video clip, 2016
National Museums IrelandEaster Sunday Manouevres, 1916 / mobilisation order document, 21 April 1916