Save the Tallgrass Prairie, Inc.--Tallgrass Prairie Conference IV (Camp Wood, Elmdale, Kansas), September 16-18, 1977, Box: 20, Folder: 11. Patricia DuBose Duncan papers, RH MS 535. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/276108 Accessed October 31, 2024.