Part of the Hoyt Library Archives Repository
Heavenrich Bros & Company, Box: 1 - Saginaw Postcard Collection, Folder: Businesses. Saginaw Postcard Collection, COLLECTION-POSTCARDS. Hoyt Library Archives.
Heavenrich Bros & Company, Box: 1 - Saginaw Postcard Collection, Folder: Businesses. Saginaw Postcard Collection, COLLECTION-POSTCARDS. Hoyt Library Archives. https://archive.saginawlibrary.org/repositories/2/archival_objects/18788 Accessed December 06, 2025.
