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 Thomas McLaughlin Papers (1937-1985) are comprised of newspaper clippings, photographs, and correspondence about real estate, the Clark County Democratic Party, and local fraternal organizations, especially the Knights of Columbus and the Friendly Sons of Saint Patrick in Las Vegas, Nevada. Materials also include some clippings on McLaughlin's appointment as trustee of the Las Vegas Park Racetrack in 1955.

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.