Annual Report, Bureau of Child Research, 1 Jan. 69 through 31 Dec., 69, Prepared by Ed Zamarripa, 1970, Box: 16, Folder: 9. 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/445603 Accessed December 02, 2024.