Michel, John, Expenditures Report, 5 RO1 NB 07098-03, January 1-December 31, 1969, Box: 52, Folder: 31. 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/455137 Accessed June 26, 2024.