The Popular Educator. Dunellen, N.J.: National Educational Alliance, Inc., March 2, 1938

The Popular Educator. Dunellen, N.J.: National Educational Alliance, Inc., March 2, 1938, Volume: Gilbert C388. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/527103 Accessed December 26, 2025.