Vend; The Magazine of Automatic Merchandising. Cincinnati, Ohio: Roger S. Littleford, Jr. and W.D. Littleford, November 1946

Vend; The Magazine of Automatic Merchandising. Cincinnati, Ohio: Roger S. Littleford, Jr. and W.D. Littleford, November 1946, Volume: Gilbert D1146. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/527942 Accessed December 27, 2025.