History Ireland The Boundary Commission Debacle 1925, aftermath & implications open_in_new article, 1996
Flickr - NLIMilitary carrying out official reprisal following an ambush in Meelin, Co. Cork photograph, January 1921
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
RTE Century Ireland Ireland’s Opportunity? The First World War & 1916 open_in_new article, 2016