YouTube - RTEWhat role did sectarianism play in the creation of Northern Ireland? video clip, 2021
UCD History HubJohn Redmond’s Woodenbridge speech and the split in the Irish Volunteers podcast, c.2015
Houses of OireachtasDáil Debate: executions of four IRA leaders open_in_new speech, 8 December 1922
UCD Digital LibraryGroup of IFS Army soldiers firing artillery on the Four Courts photograph, 28 June 1922