Hathi Trust Digital LibraryThe struggle of the Irish people. Address to the Congress of the United States book, January 1921
Flickr - NLIThe shell of the G.P.O. on Sackville Street after the 1916 Rising photograph, May 1916
Decade of Centenaries timelineSir Edward Carson’s souvenir parchment of the Ulster Covenant document, 28 September 1912