YouTube - RTEWhy did Edward Carson not become Northern Ireland’s Prime Minister? video clip, 2021
National Archives Home Rule : Government of Ireland Amendment Bill open_in_new document, 23 April 1918
National Archives Application of Military Service Act to Ireland open_in_new document, 26 March 1918
Flickr - NLIThe shell of the G.P.O. on Sackville Street after the 1916 Rising photograph, May 1916