Letter to his daughter-in-law Hattie (Mrs. Quintus Curtius) Todd, January 10, 1894, and letter from his grandson John Todd to his mother Hattie, January 9, 1894, Box: 1, Folder: 8. Todd family papers, RH MS 293. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/313502 Accessed June 21, 2025.