Interview with Francisco Ruiz, Millie Rivera, Mr. and Mrs. Joe Amayo, etc, by Robert Oppenheimer (English), Box: 1, Folder: 3. Kansas City, Kansas, Spanish Speaking office interviews and slides, RH MS 752. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/304329 Accessed May 22, 2024.