O'Brien, Marion, Motor Activity and Develop of Spatial Skills ADAMHA Small Grant Program, #4229-0706-1, January 27, 1984, Box: 54, Folder: 12. 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/455202 Accessed June 02, 2024.