Hubert Harrison to the editor, NYS, December 8, 1910, p. 8, and December 19, 1910, p. 8; and Charles William Anderson to Booker T. Washington, September 10, 1911, and October 30, 1911, in Louis R. Harlan and Raymond W. Smock (eds). The Booker T. Washington Papers, 13 vols (Urbana: University of Illinois Press, 1972–1984), 11: pp. 300Archived 2009-01-07 at the Wayback Machine-301Archived 2005-01-16 at the Wayback Machine and 351.Archived 2011-05-11 at the Wayback Machine
"Fellow Worker Hubert Harrison". Selected IWW Member Biographies. Industrial Workers of the World. Archived from the original on October 8, 2006. Retrieved August 12, 2025.
Hubert Harrison to the editor, NYS, December 8, 1910, p. 8, and December 19, 1910, p. 8; and Charles William Anderson to Booker T. Washington, September 10, 1911, and October 30, 1911, in Louis R. Harlan and Raymond W. Smock (eds). The Booker T. Washington Papers, 13 vols (Urbana: University of Illinois Press, 1972–1984), 11: pp. 300Archived 2009-01-07 at the Wayback Machine-301Archived 2005-01-16 at the Wayback Machine and 351.Archived 2011-05-11 at the Wayback Machine
"Fellow Worker Hubert Harrison". Selected IWW Member Biographies. Industrial Workers of the World. Archived from the original on October 8, 2006. Retrieved August 12, 2025.