National Portrait Gallery
John Dillon
photograph & RIA Biography
YouTube - RTE
Ireland 1912-1916: An Animated History from Home Rule to Easter Rising
video clip, 2016
Documents on Irish Foreign Policy
Heads of agreement between the provisional government and the government of Northern Ireland
open_in_newdocument, 30 March 1922
History Ireland
The Boundary Commission Debacle 1925, aftermath & implications
open_in_newarticle, 1996
Hathi Trust Digital Library
The struggle of the Irish people. Address to the Congress of the United States
book, January 1921
UCD History Hub
Aftermath of The Rising and 1917 By-Elections. (The Irish Revolution Lecture 5)
podcast, 2014