UCD History HubJohn Redmond’s Woodenbridge speech and the split in the Irish Volunteers podcast, c.2015
National Archives UK Letter from General Smuts to Eamon de Valera open_in_new letter, 4 August 1921
Flickr - NLIThe shell of the G.P.O. on Sackville Street after the 1916 Rising photograph, May 1916