School Size Replication. Denison-Hoyt; Effingham; Holton, Spring, 1962, Box: 24 (oversize), Folder: 23. Midwest Psychological Field Station records, RG 17/66. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/220665 Accessed November 23, 2024.