Houses of OireachtasThe National Situation – Cmdt. Seán O’Hegarty open_in_new speech, 3 May 1922
Google Arts and CultureInstructions to Plenipotentiaries from Cabinet open_in_new document, 7 October 1921
UCD History HubAftermath of The Rising and 1917 By-Elections. (The Irish Revolution Lecture 5) podcast, 2014