Henrietta (Sheppard) Cox from E. Beth Cox, 1967, 1970-1971, 1974-1975, 1977, 1979, Box: 8, Folder: 9. Cooper-Sheppard-Cox family papers, RH MS 576. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/159145 Accessed May 11, 2024.