National Jamboree. New York: Lyle K. Engel, June 1949

National Jamboree. New York: Lyle K. Engel, June 1949, Volume: Gilbert D689. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/526797 Accessed December 27, 2025.