NLI 1916
Seán McDermott
Photograph & RIA Biography
UCD Digital Library
Group of IFS Army soldiers firing artillery on the Four Courts
photograph, 28 June 1922
Hathi Trust Digital Library
The struggle of the Irish people. Address to the Congress of the United States
book, January 1921
Decade of Centenaries timeline
Sir Edward Carson’s souvenir parchment of the Ulster Covenant
document, 28 September 1912