The Mail Order News; "All the Worthwhile News of the M.O. Field." Detroit, Michigan: Jones Sales Service, May/June 1935

The Mail Order News; "All the Worthwhile News of the M.O. Field." Detroit, Michigan: Jones Sales Service, May/June 1935, Volume: Gilbert C297. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/526601 Accessed March 23, 2026.