Typescript (in looseleaf binder labeled "Pursuit of No-See-Ums, March, April, May 1977, Earlier Background Tests Notes"), with drawings and ink jet test results, Box: 9, Folder: 26. Russell Randolph Hays papers, RH MS 564. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/278259 Accessed November 23, 2024.