The Mallory H. Ferrell Photograph Collection (approximately 1900-1935) is comprised of nine black-and-white photographic prints depicting railroads, locomotives, and mines in Tonopah, Nevada and Tecopa, California.

The J. Ross Clark Photograph Collection (approximately 1900-1920) consists of black-and-white photographic prints and some corresponding negatives. Images depict J. Ross Clark, his wife Miriam Evans Clark, their grandson James Ross Clark II, and several unidentified individuals.

The Maurine and Fred Wilson and Dr. William S. Park Photograph Albums (1900-1930s) consist of twelve albums containing black-and-white photographic prints and three black-and-white photographic negatives. The photographs are primarily related to the families of William S. Park, John S. Park, and Fred and Maurine Hubbard Wilson. Included are images of the Park homes in Las Vegas, Nevada; Park and Wilson family members; scenes of early Las Vegas, Nevada; outdoor activities, and vacation trips to California, Colorado, and Mexico.