Three letters from Hector Henderson [3 postmarked envelopes], June 23, 1918; July 5, 1918; July 8, 1918, Box: 1, Folder: 18. 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/229338 Accessed May 05, 2024.