Henry Wulpern and Minnie Block’s Marriage License, 1889-10-18, Box: 2 - Trew Family, Folder: 5 - Miscellaneous Wuelpern. Families, RG-FAMILIES. Hoyt Library Archives. https://archive.saginawlibrary.org/repositories/2/archival_objects/22656 Accessed July 16, 2025.