The Coupler. New York, N.Y.: The Central Railroad Company of New Jersey, March 1944

The Coupler. New York, N.Y.: The Central Railroad Company of New Jersey, March 1944, Volume: Gilbert D235. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/525627 Accessed December 27, 2025.