Henrico County Public Schools, The Electronic Classroom: An Educational Success Story, Curriculum and Program Development - Social Studies 7,8, KC 5-year Improvement Plan, Curriculum and Program Development Social Studies 7, Box: 6, Folder: 2. R. E. "Tuck" Duncan papers, RH MS 951. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/50305 Accessed May 03, 2024.