Guadalupe Fur Seal (Arctocephalus townsendi) - PC-75, ©1986, Box: 5, Folder: 41, item: 3. Natural History Art and Illustration by D. D. Tyler, MS 337. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/310670 Accessed June 19, 2025.