Orval D. Hinman Railroad Memorabilia, 6478 MB, Box: 1. Kheel Center for Labor-Management Documentation & Archives.
Orval D. Hinman Railroad Memorabilia, 6478 MB, Box: 1. Kheel Center for Labor-Management Documentation & Archives. https://aspace3-test.library.cornell.edu/repositories/4/resources/13019 Accessed October 11, 2025.
