YouTube - RTEWhy did Edward Carson not become Northern Ireland’s Prime Minister? video clip, 2021
UCD Digital LibraryGroup of IFS Army soldiers firing artillery on the Four Courts photograph, 28 June 1922
BBC - Story of IrelandStory of Ireland: James Craig and the Catholic Minority open_in_new video clip, 2014
Flickr - NLIThe shell of the G.P.O. on Sackville Street after the 1916 Rising photograph, May 1916
Down County MuseumPro-Home Rule postcard: An Act of Union that satisfies everyone postcard, 1912