Popular Digest. Long Island, N.Y.: The Popular Digest Publishing Company, Inc., June 1937

Popular Digest. Long Island, N.Y.: The Popular Digest Publishing Company, Inc., June 1937, Volume: Gilbert B213. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/527102 Accessed December 27, 2025.