Humdinger. Philadelphia, Pa.: Novelty Press Division of the Premium Service Co., Inc., May/June 1946

Humdinger. Philadelphia, Pa.: Novelty Press Division of the Premium Service Co., Inc., May/June 1946, Volume: Gilbert D494. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/526247 Accessed December 27, 2025.