Ringmaster; The World in Caricature. Mr. Morris, Ill.: The Modern Group, Inc., May 1936

Ringmaster; The World in Caricature. Mr. Morris, Ill.: The Modern Group, Inc., May 1936, Volume: Gilbert E218. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/527319 Accessed December 27, 2025.