George S. Brinkerhoff, Missionary A.S.S.U, Photographer: A.J.V. Wadell, Warrensburg, MO, ca. 187?, Box: 1, Folder: 5. George Walter Rayhill collection, RH MS 82. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/103529 Accessed January 04, 2025.