Birth certificate [photocopy], and various biographies of Robert Gilbert, 1898, 1979, 1982, 1983

Birth certificate [photocopy], and various biographies of Robert Gilbert, 1898, 1979, 1982, 1983, Box: 1, Folder: 27. Personal papers of Robert L. Gilbert, PP 253. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/264397 Accessed December 24, 2025.