Who-Dun-It Crossword Puzzles. Derby, Conn.: Toby Press, February 1955

Who-Dun-It Crossword Puzzles. Derby, Conn.: Toby Press, February 1955, Volume: Gilbert D1193. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/528042 Accessed December 27, 2025.