"Man Learned About Flying From Ancient Reptile" by Wilson, Robert W, 1955

"Man Learned About Flying From Ancient Reptile" by Wilson, Robert W, 1955, Box: 10, Folder: 7. Personal papers of John "Jack" A. Weir, PP 404. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/261673 Accessed December 24, 2025.