Wikipedia WWW site, June 18, 2009 (Eugene Dennis; b. August 10, 1905, in Seattle; birth name Francis Xavier Waldron; d. January 31, 1961; long-time leader of the Communist Party USA and union organizer; active in the Industrial Workers of the World prior to joining the Communist Party in 1926)
Freiburg, Br. : Ring Dr. u. Verl., 1. Jahrgang, Nummer 1 (3. Juli 1946) - 1. Jahrgang, Nummer 20 (7. September 1946) ; 2. Jahrgang, Nummer 3 (11. Januar 1947) - 7. Jahrgang, Nummer 52 (29. April 1952), 1946-1954