National Portrait Gallery
John Dillon
photograph & RIA Biography
National Archives UK
Letter from Lloyd George inviting Craig and de Valera to a conference
open_in_newdocument, 24 June 1921
Bureau of Military History
The Minister of Defence orders that the Convention be not held
newsletter, 31 March 1922
RTE Century Ireland
Between armed rebellion and democratic revolution: the Irish Question in 1917
open_in_newarticle, 2017