The Sub-Mariner. Meriden, Conn.: Timely Comics, Inc., Spring 1941

The Sub-Mariner. Meriden, Conn.: Timely Comics, Inc., Spring 1941, Volume: Gilbert D1012. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/527642 Accessed December 28, 2025.