YouTube - RTEWhat role did sectarianism play in the creation of Northern Ireland? video clip, 2021
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