Houses of OireachtasDáil Debate: executions of four IRA leaders open_in_new speech, 8 December 1922
RTE Century IrelandSinn Féin leaders arrested over alleged ‘German plot’ open_in_new article, 2018
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