House of OireachtasMessage to the Free Nations of the World open_in_new debate, 21 January 1919
Decade of Centenaries timelineMembers of the First Dáil at a meeting April 10th, 1919 photograph, 10 April 1919
UCD History HubAnglo-Irish War/War of Independence (The Irish Revolution Lecture 7) podcast, 2014
Decade of Centenaries timelineBallytrain RIC barracks captured and sacked by the IRA. photograph, 1920
History Ireland Tit-for-tat: the War of Independence in the northern counties open_in_new article, 2012
Hathi Trust Digital LibraryThe struggle of the Irish people. Address to the Congress of the United States book, January 1921