Carta, J., and J. Summers, Improving the Delivery of Early Intervention to Children with Disabilities from High Poverty Backgrounds, KU# 2090, March 2, 2001, Box: 10, Folder: 32. 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/452463 Accessed May 24, 2025.