National Archives UKLetter from Lloyd George inviting Craig and de Valera to a conference open_in_new document, 24 June 1921
RTE Century Ireland Rebel leader Thomas Ashe arrested for inflammatory speech open_in_new article, 2017
National Museums IrelandThe last letter written by Seán Mac Diarmada (Sean MacDermott) letter, 11 May 1916
Warwick Digital CollectionsImage of Sackville Street after Rebellion in Dublin, April, 1916 booklet, April 1916