Childhood Interests; A Digest for Parents and Teachers. Chicago: Childhoods Interests, Inc., June 1934

Childhood Interests; A Digest for Parents and Teachers. Chicago: Childhoods Interests, Inc., June 1934, Volume: Gilbert C98. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/525482 Accessed December 27, 2025.