Achievement Place, Research and Dissemination, MH20030-02, Montrose Wolf, P.I., May 1, 1972, Box: 1A, Folder: 13. University of Kansas Schiefelbusch Institute for Life Span Studies records, RG 35. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/452230 Accessed May 18, 2024.