Partial assignment of oil payment, Tide Water Associated Oil Co. and Ish McKnight - purchase of interests by W.E. Pratt, Box: 1, Folder: 22. Wallace E. Pratt papers, RH MS 870. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/33932 Accessed May 19, 2024.