Geo. C. Warner, 1889-01-15, 1889-12-31, 1889-02-05, 1889-10-19, 1891-10-14, Container: Letterheads of Saginaw Businesses - Box 1, Folder: Five. Business and Industry, COL-BUSINESS. Hoyt Library Archives. https://archive.saginawlibrary.org/repositories/2/archival_objects/12196 Accessed December 06, 2025.