Hathi Trust Digital LibraryThe struggle of the Irish people. Address to the Congress of the United States book, January 1921
Decade of Centenaries timelineBallytrain RIC barracks captured and sacked by the IRA. photograph, 1920
RTE Century IrelandBetween armed rebellion and democratic revolution: the Irish Question in 1917 open_in_new article, 2017
RTE Century Ireland Rebel leader Thomas Ashe arrested for inflammatory speech open_in_new article, 2017