Mail Order System; A Journal Of Inspiration for Mail Merchandisers, Agents, Salesmen. Chicago, Ill.: Nation-Wide Publishing Co., April 1930

Mail Order System; A Journal Of Inspiration for Mail Merchandisers, Agents, Salesmen. Chicago, Ill.: Nation-Wide Publishing Co., April 1930, Volume: Gilbert B153. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/526606 Accessed December 26, 2025.