Miscellaneous papers and correspondence (includes materials by Ernast Angino), 1967, 1971, 1973 & 1975-1984, Box: 26, Folder: 2. Wallace E. Pratt papers, RH MS 870. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/33891 Accessed June 02, 2024.