Gellis - Space Guardian (1977), Mrs. Cecil Gottlieb - untitled novel (1963), Henry Gross - masterpiece (1972), Box: 8, Folder: 3. Corporate Papers of the Robert Mills Literary Agency, MS 307. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/230195 Accessed May 05, 2024.