1. American Museum of Natural History Library, New York City, NY.
2. Annette L. Flugger Papers, Conservation Collection. The Denver Public Library. Denver, CO.
3. Daniel S. Lehrman Papers. Institute of Animal Behavior. Rutgers University, Newark, NJ.
4. Donald O. Hebb Papers. McGill University Archives, Montreal.
5. Ernst Mayr Papers. Harvard University Archives. Cambridge, MA.