Exposition Paris 1937; Arts Crafts Sciences in Modern Life. Paris: The Central Committee, May 1936

Exposition Paris 1937; Arts Crafts Sciences in Modern Life. Paris: The Central Committee, May 1936, Volume: Gilbert D407. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/525877 Accessed December 28, 2025.