Roto; The National Picture Magazine. New York: Engel-Van Wiseman, Inc., September 1934

Roto; The National Picture Magazine. New York: Engel-Van Wiseman, Inc., September 1934, Volume: Gilbert Q64. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/527345 Accessed December 27, 2025.