Inland Printer/American Lithographer; The Leading Publication in the World of Offset-Letterpress Printing. Chicago, Ill.: Maclean-Hunter Publishing Corp., November 1962, Volume: Gilbert E123. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/526288 Accessed March 13, 2025.