4360-705 Navy, Zoogeog. and System, Y379 - 703 (NSF) [National Science Foundation] Ha. Sys. Rec. Amer. Ursus, Box: 2, Folder: 15. Personal papers of E. Raymond Hall, PP 167. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/265656 Accessed May 17, 2024.