National Portrait GalleryThe Mad Bull (James Craig, 1st Viscount Craigavon; Michael Collins) cartoon, 15 February 1922
National Archives UK Letter from General Smuts to Eamon de Valera open_in_new letter, 4 August 1921
RTE Century IrelandBetween armed rebellion and democratic revolution: the Irish Question in 1917 open_in_new article, 2017
National Museums IrelandEaster Sunday Manouevres, 1916 / mobilisation order document, 21 April 1916
Decade of Centenaries timelineJohn Redmond has ‘Second Thoughts’ about ‘Home Rule’ political cartoon, October 1913