History of the Kindergarten Movement -- History of the Kindergarten Movement in the Western States, Hawaii and Alaska -- The Octagon House and the First Kindergarten in the United States, Watertown Historical Society, 1983

History of the Kindergarten Movement -- History of the Kindergarten Movement in the Western States, Hawaii and Alaska -- The Octagon House and the First Kindergarten in the United States, Watertown Historical Society, 1983, 5.6.17, Box: 6, Folder: 17.0. Association for Childhood Education International (ACEI) records, 0056-MDHC. Special Collections and University Archives. https://archives.lib.umd.edu//repositories/2/archival_objects/243950 Accessed November 25, 2024.