ECLSK [Early Childhood Longitudinal Studies Kindergarten?] IES [Institute of Education Sciences], May 2015 - August 2017, Box: 3, Folder: 36 - 37. Personal papers of Tom Skrtic, PP 651. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/540280 Accessed December 28, 2024.