Biro, Lajos, ed., and Cohen, Marc J., ed. The United States in Crisis: Marxist Analyses. Minneapolis: Marxist Educational Press, 1979

Biro, Lajos, ed., and Cohen, Marc J., ed. The United States in Crisis: Marxist Analyses. Minneapolis: Marxist Educational Press, 1979, Box: 4, Volume: 51. Midwest Distributors records, RH MS 949. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/574114 Accessed March 21, 2026.