Wikimedia
Cathal Brugha
postcard & RIA Biography
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
Members of the First Dáil at a meeting April 10th, 1919
photograph, 10 April 1919
RTE Century Ireland
Introducing de Valera – The East Clare by-election and the rise of an Irish political leader
open_in_newarticle, 2017