UCD History HubJohn Redmond’s Woodenbridge speech and the split in the Irish Volunteers podcast, c.2015
History Ireland Tit-for-tat: the War of Independence in the northern counties open_in_new article, 2012
Hathi Trust Digital LibraryThe struggle of the Irish people. Address to the Congress of the United States book, 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