O’ Sullivan, Judith., and Gallick, Rosemary. Workers and Allies. Washington D.C.: Smithsonian Institution Press, 1975

O’ Sullivan, Judith., and Gallick, Rosemary. Workers and Allies. Washington D.C.: Smithsonian Institution Press, 1975, Box: 4, Volume: 27. Midwest Distributors records, RH MS 949. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/574090 Accessed March 06, 2026.