Lost Boundaries. Correspondence--DeWitt Wallace (Reader's Digest) and Lambert Davis (Harcourt Brace), 1944 - 1948, Box: 15, Folder: 7. William Lindsay White collection, RH MS 608. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/171959 Accessed May 18, 2024.