In Hiking Ski Touring for the New Outdoorsman (National Hiking Ski Touring Association), Spring 1973, p. 3, Box: 9, Folder: 8. Patricia DuBose Duncan papers, RH MS 535. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/275932 Accessed November 23, 2024.