Ecological Study of Rehabilitation Hospital; KU Ecologists Early Attempts. Edwyn P. Willems and Shalom W. Vineberg, 1968, Box: 78. Midwest Psychological Field Station records, RG 17/66. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/131557 Accessed June 01, 2024.