The University of Nevada, Las Vegas Solar Decathlon Records (2013-2021) are comprised of records documenting the University of Nevada, Las Vegas's participation in the U.S. Department of Energy (DOE) Solar Decathlon collegiate competition. The collection includes records created by the 2013, 2017, and 2020 UNLV teams (Team Las Vegas) in designing and building their respective competition entries: DesertSol, Sinatra Living, and Mojave Bloom. Records include competition application files, working project files, As-Built submittal packets, and promotional and marketing files for the competition. The majority of records in this collection represent the 2017 competition. Archived websites and social media accounts associated with Team Las Vegas and the Solar Decathlon competition are also included in the collection. The records document Team Las Vegas's efforts in designing and building energy efficient homes for the Solar Decathlon competition.

Ronzone Family Papers (1900-1991) include newspaper clippings, business documents, correspondence, certificates, yearbooks, publications, artifacts, and photographs. The papers document their lives in Nevada, their department store, and Dick Ronzone's involvement in local politics.

The Southern Nevada Historical Society Photograph Collection on Basic Magnesium, Inc. contains photographs of the construction of Basic Magnesium Inc.'s plants and buildings from 1941 to 1942. The photographs primarily depict aerial views of the plant site and various buildings, including the administration building, tent camp, chlorination buildings, electrolysis facilities, electrical distribution systems, and warehouses. The photographs also depict Lake Mead and the early buildings in Henderson, Nevada.

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.