Hobby Digest. Omaha, Nebraska: Kenwood Printing Co., May 1935

Hobby Digest. Omaha, Nebraska: Kenwood Printing Co., May 1935, Volume: Gilbert C229. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/526189 Accessed March 23, 2026.