“Off the White Road: Seven Nebraska Tribes and Assimilationist Policies in the 1870’s, a Statistical Analysis” by Clyde A. Milner II, Box: 4, Folder: 15. Papers of Rita Napier, RH MS 592. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/174546 Accessed May 18, 2024.