Archibald E. Stevenson (ed.), Revolutionary Radicalism: Its History, Purpose and Tactics with an Exposition and Discussion of the Steps Being Taken and Required to Curb It: Being the Report of the Joint Legislative Committee Investigating Seditious Activities, Filed April 24, 1920, in the Senate of the State of New York: Part 1: Revolutionary and Subversive Movements Abroad and at Home, Volume 2. Albany, NY: J.B. Lyon Co., 1920; pg. 1322.