Certificates: Professional Certificate, State Department of Education of Louisiana; Graduate Certificate, State of Florida, Shirley Evelyn Lucas Landwehr [Griffith], 1948, Box: 1, Folder: 2. Personal Papers of William J. Griffith, PP 422. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/264499 Accessed May 18, 2024.