UNLV Libraries Collection of Argosy Gaming Company Promotional Materials and Reports includes annual reports, financial reports, prospectus, equity reports, stockholder meeting notices, 10-K reports, 10-Q reports, and newspaper clippings for Argosy Gaming Company in Alton, Illinois, dating from 1993 to 2001.

The Morrison Family Photograph Collection (1917-1933) consists of black-and-white and color photographic prints, negatives, and slides. The images primarily depict the Morrison family in Las Vegas, Nevada and the surrounding areas. Images portray youth activities in Nevada, including a local Boy Scouts Troop, Las Vegas High School students, Clark County High School students, as well as student activities at the University of Nevada, Reno. Also included are images of scenes around Las Vegas, including Mount Charleston, Little Falls, and the Colorado River prior to the Hoover Dam (Boulder Dam). Other images include Morrison family trips to California, Utah, Oregon, and Arizona.

The Harry Hayden Whiteley Photograph Collection (approximately 1940-1967) contains photographic prints and one photographic negative depicting buildings, people, and project locations associated with the Las Vegas, Nevada architect Harry Hayden Whiteley. There is also one album containing photographs of contemporary churches compiled by Whiteley between 1953 to 1958.

The UNLV Libraries Collection of 1983 Hoover Dam Overflow Photographs is a series of color photographs that document the historic water overflow at Hoover Dam as seen from the Arizona side of the dam. Taken in August of 1983, this overflow marked the first time the spillways were used during a flood. The spillways were previously tested once in 1941 after the dam was initially filled.