Sales Scrap Book. New York: Salesman's League of America, Inc., August 1938

Sales Scrap Book. New York: Salesman's League of America, Inc., August 1938, Volume: Gilbert C439. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/527361 Accessed March 24, 2026.