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
UCD Digital Library
Group of IFS Army soldiers firing artillery on the Four Courts
photograph, 28 June 1922
UCD History Hub
Aftermath of The Rising and 1917 By-Elections. (The Irish Revolution Lecture 5)
podcast, 2014
