Bartlett Illuminating Company, 1909-08, 1908-03, 1908-01, 1908-02, 1901-09-01, Container: Letterheads of Saginaw Businesses - Box 1, Folder: One. Business and Industry, COL-BUSINESS. Hoyt Library Archives. https://archive.saginawlibrary.org/repositories/2/archival_objects/11628 Accessed December 06, 2025.