History Ireland Tit-for-tat: the War of Independence in the northern counties open_in_new article, 2012
Documents on Irish Foreign Policy Notes of a conference with the Irish Boundary Commission open_in_new document, 3 December 1925
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
Hathi Trust Digital LibraryThe struggle of the Irish people. Address to the Congress of the United States book, January 1921
UCD History HubAnglo-Irish War/War of Independence (The Irish Revolution Lecture 7) podcast, 2014