Tip-Off; The Magazine of Inside Exclusives. New York: Plaza Digest, Inc., April 1956

Tip-Off; The Magazine of Inside Exclusives. New York: Plaza Digest, Inc., April 1956, Volume: Gilbert D1061. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/527772 Accessed December 27, 2025.