Gray Squirrel (Sciurus carolinensis) from “We Watch Squirrels” by Ada and Frank Graham - PC-58, ©1985

Gray Squirrel (Sciurus carolinensis) from “We Watch Squirrels” by Ada and Frank Graham - PC-58, ©1985, Box: 5, Folder: 37, item: 1. 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/310644 Accessed November 18, 2025.