Narwhale (Monodon monoceros) from “Whale Watch” by Ada and Frank Graham - PC-29, ©1978, Dell Publishing

Narwhale (Monodon monoceros) from “Whale Watch” by Ada and Frank Graham - PC-29, ©1978, Dell Publishing, Box: 5, Folder: 42, item: 7. 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/310687 Accessed December 25, 2025.