YouTube - RTEWhy did Edward Carson not become Northern Ireland’s Prime Minister? video clip, 2021
National Archives UK Cabinet Memorandum. The Irish Situation. open_in_new document, 30 May 1922
RTE Century Ireland Introducing de Valera – The East Clare by-election and the rise of an Irish political leader open_in_new article, 2017
Flickr - NLIThe shell of the G.P.O. on Sackville Street after the 1916 Rising photograph, May 1916