Healthkeeping; The Self-Betterment Magazine. New York: Joe Bonomo Publications, Inc., August 1940

Healthkeeping; The Self-Betterment Magazine. New York: Joe Bonomo Publications, Inc., August 1940, Volume: Gilbert D425. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/526162 Accessed December 28, 2025.