J. Clark and Henrietta (Sheppard) Cox from Thomas C. Cox, 1980-1983, 1986, 1988-1990, Box: 12, Folder: 10. Cooper-Sheppard-Cox family papers, RH MS 576. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/159314 Accessed December 21, 2024.