Crackajack Funnies. Poughkeepsie, N.Y.: Whitman Publishing Co., Inc., June 1938

Crackajack Funnies. Poughkeepsie, N.Y.: Whitman Publishing Co., Inc., June 1938, Volume: Gilbert D240. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/525640 Accessed December 27, 2025.