The Leslie H. Smith Papers (approximately 1920-2018) contains the personal papers of Leslie H. Smith, who grew up in Las Vegas, Nevada, and mainly documents his involvement with the Las Vegas High School Alumni Association organizing and attending the school's annual reunions. The collection includes personal papers, scrapbooks, and photographs documenting Smith's family, including his father Dr. J. D. Smith, his mother Ruth Weir Smith, and his sister Jeanne Smith Stewart. Reproductions of class photographs from the Las Vegas Grammar School (now known as the Historic Fifth Street School) where Smith attended elementary school are also included this collection.

The University of Nevada, Las Vegas Lists of Authorized Positions (1964-1996) include lists of professional and faculty positions at UNLV, including name, salary, tenure status, and the position's corresponding division and department.

The Sunnie Gillette Photograph Collection (approximately 1900-1930) consists of black-and-white photographic prints and negatives depicting early Las Vegas, Nevada. Scenes include Fremont Street, the Clark County Courthouse, the First Methodist Church on 3rd and Bridger Streets, and rail yards in Las Vegas. Also included are images of street scenes, fundraisers, parades, and individuals in Las Vegas.

The Sarah Vinci Photograph Collection (approximately 1920-1991) consists of black-and-white photographic prints and negatives. The images depict Fremont Street in Las Vegas, Nevada, highlighting the changes over the years. Other images include the artesian well at the Cragin family home and Methodist churches in Las Vegas.

The Castaways Hotel and Casino Photograph Collection, approximately 1963 to 1987, consists of black-and-white and color photographic prints and negatives. Images depict the exterior of the entrance to the property, the mega-pylon sign, the pool area, and the “Gateway to Luck” replica temple in the courtyard area. The interior images depict various hotel rooms and suites, a couple dining, and a performance by Rusty Isabel, an entertainer in the Kon Tiki Lounge inside the property.

The Barbara and John Kizziar Photograph Collection primarily contains black-and-white photographic prints and negatives of Hoover Dam (Boulder Dam) construction during John Kizziar’s time working for Six Companies Inc. between approximately 1986 and 1992. These images are reproductions of originals taken from between approximately 1930 and 1945. They detail John Kizziar’s work life during the dam’s construction, as well as events and scenes associated with the dam. Other images portray billboards and streets in Boulder City, Nevada. The collection also depicts other locations in Nevada, including Las Vegas, Mount Charleston, Black Canyon, the northern Mojave Desert, and the Colorado River ferry crossing between Nevada and Arizona.

CER Corporation Photograph Collection of Henderson, Nevada Aerials consists of color photographic prints taken on June 6, 1980. The images are aerial views of Henderson, Nevada and were primarily used to document unused land.