Certificate awarded by the Chamber of Commerce of the United States of America to Kretschmer Wheat Germ Corporation, 1958-08-15, 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/6127 Accessed December 06, 2025.