YouTube - RTEWhat role did sectarianism play in the creation of Northern Ireland? video clip, 2021
British Academy Political History of Northern Ireland since Partition open_in_new Article, 1999
Houses of OireachtasDáil Debate: executions of four IRA leaders open_in_new speech, 8 December 1922
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
Flickr - NLIThe shell of the G.P.O. on Sackville Street after the 1916 Rising photograph, May 1916
Century Ireland - YouTubeSeven Signatories of the Easter Rising: James Connolly video clip, 2016
National Museums IrelandEaster Sunday Manouevres, 1916 / mobilisation order document, 21 April 1916