Papers Relating to the East Saginaw Post Office of which Henry J. Northrup was Postmaster , 1880 - 1881, Container: Northrup - Box 1, Folder: 2. Families, RG-FAMILIES. Hoyt Library Archives. https://archive.saginawlibrary.org/repositories/2/archival_objects/30728 Accessed February 04, 2026.