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
History Ireland Tit-for-tat: the War of Independence in the northern counties open_in_new article, 2012
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
Decade of Centenaries timelineMembers of the First Dáil at a meeting April 10th, 1919 photograph, 10 April 1919