YouTube - RTEWhy did Edward Carson not become Northern Ireland’s Prime Minister? video clip, 2021
Houses of OireachtasDáil Debate: executions of four IRA leaders open_in_new speech, 8 December 1922
Google Arts and CultureInstructions to Plenipotentiaries from Cabinet open_in_new document, 7 October 1921
National Museums IrelandThe last letter written by Seán Mac Diarmada (Sean MacDermott) letter, 11 May 1916