"Hixon from Gladys" [copies of Hixon's work and Hixon's show at Spencer Museum of Art], 1971 - 1977, Box: 15, Folder: 4. Wilbur D. Hess collection, RH MS 1526. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/461332 Accessed May 13, 2024.