Houses of OireachtasCorrespondence between de Valera and Lloyd George open_in_new debate, 14 September 1921
National Museums IrelandThe last letter written by Seán Mac Diarmada (Sean MacDermott) letter, 11 May 1916
dippamRoyal Commission on Arrest and subsequent treatment of Mr. Francis Sheehy Skeffington open_in_new document, August 1916