Three letters from Hector Henderson [3 postmarked envelopes], February 3, 1918; February 18, 1918; March 1, 1918, Box: 1, Folder: 15. 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/229335 Accessed May 05, 2024.