William Allen White "First Day of Issue" envelope, bearing William Allen White first-day-of-issue 3 cent stamp, addressed to Mr. and Mrs. Keith Lawton, Lawrence, Kansas; postmarked Emporia, Kansas, July 31, 1948, Box: 1, Folder: 8. Phyllis A. Lawton collection, RH MS 1082. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/104703 Accessed May 17, 2024.