Google Arts and CultureMemorandum from Arthur Griffith to de Valera on Ulster open_in_new document, 8 November 1921
RTE Century IrelandSinn Féin leaders arrested over alleged ‘German plot’ open_in_new article, 2018
Bureau of Military HistoryThe Minister of Defence orders that the Convention be not held newsletter, 31 March 1922
Houses of OireachtasCorrespondence between de Valera and Lloyd George open_in_new debate, 14 September 1921
UCD History HubAnglo-Irish War/War of Independence (The Irish Revolution Lecture 7) podcast, 2014