UCD History HubArthur Griffith, Sinn Fein and the IRB (The Irish Revolution Lecture 3) podcast, 2014
RTE Century IrelandSinn Féin leaders arrested over alleged ‘German plot’ open_in_new article, 2018
Google Arts and CultureInstructions to Plenipotentiaries from Cabinet open_in_new document, 7 October 1921