Three letters and one postcard from Hector Henderson [3 postmarked envelopes, 1 postmarked postcard], May 17, 1918; May 28, 1918; June 3, 1918; June 7, 1918, Box: 1, Folder: 17. Hector C. Henderson's letters to Mae Josephine Gillette, MS 311. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/229337 Accessed May 06, 2024.