"The First Offender" Yearbook. New Haven, Conn.: New Haven County Sheriff Association, 1938

"The First Offender" Yearbook. New Haven, Conn.: New Haven County Sheriff Association, 1938, Volume: Gilbert D408. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/525944 Accessed December 28, 2025.