Successful Methods; A Magazine of Construction Service. Chicago, Ill.: Manufacturers Publicity Bureau, July 1919

Successful Methods; A Magazine of Construction Service. Chicago, Ill.: Manufacturers Publicity Bureau, July 1919, Volume: Gilbert D1014. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/527644 Accessed December 28, 2025.