Houses of OireachtasDáil Debate: executions of four IRA leaders open_in_new speech, 8 December 1922
History Ireland The Boundary Commission Debacle 1925, aftermath & implications open_in_new article, 1996
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