The Stonewall Park Collection (1983-1987) documents the Stonewall Park project, an unrealized gay community in Nevada. Material includes news clippings and ephemera, as well as financial records and ancillary documents detailing bankruptcies and litigation associated with the Stonewall Park project. Much of this material is photocopied from MS 1990-15 (Fred Schoonmaker Papers), held at the Museum of GLBT History in San Francisco, CA.

The C. D. Baker Photograph Collection depicts former Las Vegas, Nevada mayor Charles Duncan "C. D." Baker from 1916 to 1966. The photographs primarily depict Baker at political events, including campaign stops, fundraising events, meetings with officials and politicians, and at important locations in Las Vegas and Nevada. Baker was photographed with politicians such as U.S. Senator Chic Hecht, President Harry S. Truman, Governor Vail Pittman, and Lt. Governor Cliff Jones.

The J. T. McWilliams Photograph Collection contains photographs and postcards from Nevada and Southern California from approximately 1900 to 1970. The materials include postcards depicting Las Vegas, Nevada casinos such as El Rancho Vegas and the Golden Nugget Gambling Hall. The materials also include postcards depicting towns and scenes in Nevada such as Carson City, Rhyolite, Red Rock Canyon, and covered wagons traveling to Las Vegas. Lastly, the materials contain several photographs of the McWilliams family, possibly while they were living in what is now Las Vegas, Nevada.

The Nevada Mining Photograph Collection depicts mining activities, miners, and mining towns in Nevada from 1868 to 1937. The photographs primarily depict the towns of Tonopah, Nevada and Goldfield, Nevada, including mills, buildings, mine shafts, and panoramic views of the landscape. The photographs also depict Beatty, Lost City, Delamar, Candelaria, Winnemucca, Virginia City, Rhyolite, Elko, and Reno, Nevada. The photographs also include portraits of early settlers in Nevada, Native Americans, children, parades, celebrations, and funerals.