Papers Relating to the East Saginaw Post Office of which Henry J. Northrup was Postmaster, 1886 - 1887, Container: Northrup - Box 1, Folder: 5. Families, RG-FAMILIES. Hoyt Library Archives. https://archive.saginawlibrary.org/repositories/2/archival_objects/30731 Accessed February 04, 2026.