Double-crested Cormorant (Phalacrocorax auritus) - PC-66, ©1979, Box: 5, Folder: 22, 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/310579 Accessed June 25, 2025.