National Archives UK Cabinet Memorandum – Ireland (Draft Constitution) open_in_new document, 1 June 1922
UCD History HubAftermath of The Rising and 1917 By-Elections. (The Irish Revolution Lecture 5) podcast, 2014
Flickr - NLIThe shell of the G.P.O. on Sackville Street after the 1916 Rising photograph, May 1916