Charter Backus, The Nan-chao Kingdom and T'ang China's Southwestern Frontier

Charter Backus, The Nan-chao Kingdom and T'ang China's Southwestern Frontier, Box: 6, Folder: 12. Personal papers of John Dardess, PP 635. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/507770 Accessed December 25, 2025.