This collection is unprocessed. See Access Note for additional information. The Robert MacKenzie Papers (approximately 1940-2000) contain the personal papers of Robert MacKenzie and materials documenting the long-term effects of atomic testing. The collection contains photographs, material documenting the Radiation Exposure Compensation Act deals, surveys about veterans and their children with diseases, letters and correspondence, audiovisual material, and original drawings and cartoons of ships drawn by MacKenzie. MacKenzie was stationed on a ship during Castle Bravo, the first in a series of high-yield thermonuclear weapon design tests conducted by the United States at Bikini Atoll, Marshall Islands, as part of Operation Castle.

The Jany Ortiz-Robinson Papers (1984-2020) contain the papers of Ortiz-Robinson, who has worked in Nevada's early childhood education field for over twenty years. The collection mainly consists of awards and certificates awarded to Ortiz-Robinson over her career, from various organizations including the Economic Opportunity Board of Clark County, The Nevada Registry, Clark County School District, and the Nevada Association of the Education of Young Children. Also included is a copy of her dissertation from the University of Nevada, Las Vegas (UNLV), materials documenting graduation ceremonies, and yearbooks from her time at Moapa Valley High School and the University of San Francisco. A scrapbook documenting her senior year at Moapa Valley High School (1984-1985) contains photographs, ephemera, newspaper clippings, and handwritten notes about her final year in high school.

The Donna Silva Lighting Design Plans (1986-1996) contain blueprints and schedule binders for a number of projects Silva worked on in Las Vegas, Nevada including the New York-New York Hotel & Casino, The Orleans Hotel & Casino, Golden Nugget, and the MGM Grand Hotel. Also included are lighting plans for the Foxwoods Resort Casino (operated by the Mashantucket Pequot Tribal Nation) in Connecticut, Caesars Atlantic City, and Players Island (now CasaBlanca Resort) in Mesquite, Nevada.

The Arthur and Joe Lyon Papers (1930-1935, 1985, 2020) document the first transnational automobile trip taken from North America to Central America in 1930 by Arthur and Joe Lyon, two brothers from McDermitt, Nevada. The materials in this collection include Arthur and Joe Lyon's passports with stamps from their trip and their travel scrapbook. Materials also include the brothers' handwritten notes about their trip from the 1930s and original typescript for Central America Through a Windshield written in 1985. The collection also includes a published hardcover copy of 1930: From Manhattan to Managua, North America's First Transnational Automobile Trip published in 2020.

The McGriff and DeVinney Family Papers (approximately 1900-1959) contain papers and photographs documenting Francis De Vinney and his wife, Della, who lived in Las Vegas, Nevada in the early- to mid- 20th century. The collection also includes documentation about Della's father, Edwin Guy "E. G." McGriff, an early Las Vegas resident. Materials include photographic prints and albums, business and personal correspondence, and 16mm film.

The Desert Inn Country Club Newsletter Collection (approximately 1970-1979) contains official newsletters from the Desert Inn Country Club in Las Vegas, Nevada, as well as photographs used to create the newsletters. The photographs depict members participating in events and tournaments, and the newsletters consist mostly of black-and-white photographs that highlight club parties and tournament champions.

The William Mors Audiovisual Collection (approximately 1989-2001) contains material created by William Mors Productions and the Las Vegas History Foundation. Subjects include Hoover Dam, entertainment in Las Vegas, Liberace, and the history of Las Vegas. The collection consists of vhs tapes, U-Matic tapes, betamax, and other formats and are originals, masters, edited masters, clips, and final production tapes.