National Museums Ireland
Howth Gun Running, 1914
Photograph, 26 July 1914
UCD History Hub
Aftermath of The Rising and 1917 By-Elections. (The Irish Revolution Lecture 5)
podcast, 2014
Houses of Oireachtas
Correspondence between de Valera and Lloyd George
open_in_newdebate, 14 September 1921
Google Arts and Culture
Memorandum from Arthur Griffith to de Valera on Ulster
open_in_newdocument, 8 November 1921