Envelope addressed to Mr. W.S. Coverston in Argonia, Kansas (no other info; postmark faded), Box: 1, Folder: 8, item: 10. W.S. Coverston letters, RH MS 1356. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/171490 Accessed June 02, 2024.