The Helen J. Stewart Photographs depict the Stewart Family from approximately 1860 to 1950. The photographs primarily depict Helen J. Stewart and her children as well as the Stewart Ranch (also know as the Las Vegas Ranch) in Southern Nevada. The photographs include the early Las Vegas, Nevada town site, landscapes of Southern Nevada and the American Southwest, mines and mining camps, railroads and railroad workers, the Las Vegas Fort (also known as the Old Mormon Fort), hotels and early businesses in Las Vegas, Native Americans and Native American artifacts, and postcards.
The Howard Cannon Photograph Collection (1950-1983) contains photographic prints, negatives, and one slide featuring Senator Howard Cannon at various political and publicity events with military personnel, political colleagues, and constituents primarily in the state of Nevada. Other photographs feature Cannon at political and publicity events outside of Nevada including California, New York, Florida, Oregon, and Washington, D.C.