Typescript (in looseleaf binder labeled "Pursuit of Antinodal Forces, Sept. '76"), with drawings and colored photographs related to tubefoil test results, Box: 9, Folder: 18. Russell Randolph Hays papers, RH MS 564. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/278251 Accessed May 06, 2024.