Photograph of Louis Wuelpern, Minnie Wuelpern (Schmidt) and Donna Wuelpern, 1945, Container: Trew Family - Box 2, Folder: 5 - Miscellaneous Wuelpern. Families, RG-FAMILIES. Hoyt Library Archives. https://archive.saginawlibrary.org/repositories/2/archival_objects/22670 Accessed December 15, 2025.