Dr. O. P. Barber, Saginaw, MI, 1890, Box: 1 - People of Saginaw Photograph Collection. People of Saginaw Photograph Collection, COL-PHOTOS-PEOPLE-01. Hoyt Library Archives. https://archive.saginawlibrary.org/repositories/2/archival_objects/17946 Accessed December 06, 2025.