Donner Foundation, New York, NY - Levinson Foundation - Lindbergh (Charles A.) Fund - McIntosh Foundation, West Palm Beach, Box: 3, Folder: 16. Kansas Natural Resource Council Collection, RH MS 1193. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/79214 Accessed May 09, 2024.