J. Clark and Henrietta (Sheppard) Cox from E. Beth Cox, 1956-1957, 1961, 1963, Box: 11, Folder: 20. Cooper-Sheppard-Cox family papers, RH MS 576. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/159292 Accessed December 22, 2024.