Henrietta (Sheppard) Cox from Thomas C. Cox, 1950-1951, 1987, 1993, 1996, 1998, 2003-2004, Box: 8, Folder: 12. Cooper-Sheppard-Cox family papers, RH MS 576. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/159148 Accessed May 12, 2024.