- All Subjects: Ryder Ridgway Photographs
- All Subjects: Fred Harvey (firm)
- All Subjects: Geology
- Creators: Fred Harvey
Color postcard titled, "8797 El Tovar Grand Canyon of Arizona." Handwritten annotation, "Dear Miss Oakley, I expect to leave here Tuesday A.M. Have had the time of my life. Lovingly, M."
Color postcard titled, "H-4452 The Watchtower at Desert View, Grand Canyon National Park, Arizona." Circa 1930-1939.