Photograph of Sylvia and Calvin Gydersen hanging onto a parked car, 1929, Container: Trew Family - Box 3, Folder: 4 - Morrisons of Michigan and Canada. Families, RG-FAMILIES. Hoyt Library Archives. https://archive.saginawlibrary.org/repositories/2/archival_objects/25605 Accessed December 06, 2025.