Two Complete Science-Adventure Books. New York: Wings Publishing Co., Inc., Winter 1950

Two Complete Science-Adventure Books. New York: Wings Publishing Co., Inc., Winter 1950, Volume: Gilbert C445. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/527881 Accessed March 24, 2026.