Feeding and Pupating Monarch Caterpillars and Emerging Monarch Butterfly (Danaus plexippus) from “Busy Bugs” by Ada and Frank Graham - PC-12, ©1983, Box: 5, Folder: 27, item: 5. 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/310603 Accessed June 21, 2025.