Houses of OireachtasDáil Debate: executions of four IRA leaders open_in_new speech, 8 December 1922
RTE Century IrelandSinn Féin leaders arrested over alleged ‘German plot’ open_in_new article, 2018
History Ireland Tit-for-tat: the War of Independence in the northern counties open_in_new article, 2012
Bicycles, Barracks & BandoliersMemo regarding Catholic recruitment in the RUC and USC memo, March 1922