Letter to Henrietta (Sheppard) Cox and newspaper article, "A Look at Washington University," St. Louis Post Dispatch, 4 June 1989, Box: 2, Folder: 4. Cooper-Sheppard-Cox family papers, RH MS 576. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/159502 Accessed May 12, 2024.