Union School - "Union School House, German St. E. Saginaw Mich" (GB180), 1873, Box: 2 - Goodridge Brothers Photograph Collection, Folder: Schools. Goodridge Brothers Photographs, COLL-GOODRIDGE. Hoyt Library Archives. https://archive.saginawlibrary.org/repositories/2/archival_objects/21932 Accessed December 06, 2025.