Nursing Polar Bear (Ursus maritimus) from “Bears in the Wild” by Ada & Frank Graham - NC-10, ©1981

Nursing Polar Bear (Ursus maritimus) from “Bears in the Wild” by Ada & Frank Graham - NC-10, ©1981, Box: 5, Folder: 17, 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/310555 Accessed December 25, 2025.