Part of the Hoyt Library Archives Repository
Heavenrich Brothers, 1906-10-29, Container: Letterheads of Saginaw Businesses - Box 1, Folder: Two. Business and Industry, COL-BUSINESS. Hoyt Library Archives.
Heavenrich Brothers, 1906-10-29, Container: Letterheads of Saginaw Businesses - Box 1, Folder: Two. Business and Industry, COL-BUSINESS. Hoyt Library Archives. https://archive.saginawlibrary.org/repositories/2/archival_objects/11802 Accessed December 06, 2025.
