The Ernest Mitchell Pratt Photographs (approximately 1932-1936) consist of black-and-white photographic prints, signed and unsigned, taken by Pratt while Hoover Dam was under construction. Many prints are signed and mounted, and two are noted as award-winning photographs shown at the Annual International Salon of Camera Pictorialists in Los Angeles, California. There are additional working prints included alongside the final prints for most of the scenes. Also included in the collection is one small photograph of Pratt. This collection was formerly known as the Price Photograph Collection.

The Charles J. Hirsch Photographic Slide Collection (approximately 1956-1987) is comprised of forty-six color slides that depict gaming tables, gaming cards and dice, slot machines, captured cheating devices, and statistical graphs from the Golden Nugget Casino, located in Las Vegas, Nevada.

The Clarence Ray Photograph Collection (approximately 1930-1960) consists of black-and-white photographic prints and negatives of Clarence Ray, casino scenes of people playing table games, and images of Ray with black activists in Las Vegas, Nevada.

The Dr. Howard Zellhoefer Collection of Artwork contains three paintings collected by Dr. Howard William Zellhoefer. Two paintings are by K. Nakamine of landscapes in Okinawa, Japan from 1949, and the third painting is a 1962 Ferdinand Burgdorffof a desert landscape, possibly Mojave Desert, California.

The Murl Emery Photograph Collection consists of seventeen black-and-white photographic reprints of ferries and recreational activities near Searchlight, Nevada on the Colorado River taken from approximately 1910 to 1946, and reprinted from approximately 1970 to 2004.