Project MORE, Grant # OEG-0-71-0449, Use of Telephone Program,: Unit One: Answering the Telephone, Lent/McLean, 1974, Box: 59, Folder: 5. University of Kansas Schiefelbusch Institute for Life Span Studies records, RG 35. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/455364 Accessed June 02, 2024.