A “Thank You For Your Appreciation” letter from Laura Ingalls Wilder to a third grade teacher, “Miss Dunning”, 1944-03-27, Container: Laura Ingalls Wilder - Box 1, Folder: 1. Libraries, RG-LIBRARIES. Hoyt Library Archives. https://archive.saginawlibrary.org/repositories/2/archival_objects/32226 Accessed March 25, 2026.