The Contributor. Tuckahoe, New York: Henry Deppe and Edgar A. Martin, May 1938

The Contributor. Tuckahoe, New York: Henry Deppe and Edgar A. Martin, May 1938, Volume: Gilbert C119. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/525598 Accessed December 26, 2025.