Certificate of Appreciation presented to Kretschmer Wheat Germ Company by the Michigan State Chamber of Commerce, Container: Kretschmer Grocery Store and Kretschmer Wheat Germ Corporation - Box 3, Folder: Five. Business and Industry, COL-BUSINESS. Hoyt Library Archives. https://archive.saginawlibrary.org/repositories/2/archival_objects/6128 Accessed December 06, 2025.