Mel Hunter - The Nurselings of the Zoo (1969), More Science Projects You Can Do (1969), Evolution (1969), Beavers (1968), Box: 10, Folder: 25. Corporate Papers of the Robert Mills Literary Agency, MS 307. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/229736 Accessed November 23, 2024.