The Lake-Eglington Family Photograph Collection contains photographs of the Lake-Eglington Family in and around Las Vegas, Nevada from 1900 to 1976. The materials include photographs of early Las Vegas resident Olive Lake-Eglington and her family shortly after they moved to Las Vegas in 1904, as well as her eventual husband Earle Eglington after he moved to Las Vegas in 1911. The materials also include photographs of Native American artifacts, schools in Clark County, Nevada, artesian wells, the Hoover (Boulder) Dam, the Colorado River, Mt. Charleston, the Mormon Fort, the Stewart (Kiel) Ranch, the Las Vegas Ranch, and many early residents of Las Vegas.

The Archie C. Grant Photograph Collection (1914-1968) contains black-and-white photographs of Nevada politician Archie C. Grant. The materials include photographs of Grant with the Las Vegas Housing Authority at groundbreaking ceremonies, the University of Nevada Board of Regents, and with other Nevada politicians. Materials also contain early photographs of the University of Nevada, Las Vegas campus, including the dedication of Maude Frazier Hall.

The Ernie W. and Lucille Marleau Cragin Photograph Collection contains photographic prints, negatives, and slides depicting early Las Vegas and Boulder City, Nevada events, buildings, and people between approximately 1900 and 1950.

The Bob Weinstein Papers on Compulsive Gambling (1945-2024) contain pamphlets, brochures, conference packets, promotional material, correspondence, and ephemera related to Weinstein's involvement in Gamblers Anonymous (G.A.). The collection contains G.A. recovery resources, workshop and training booklets, and meeting minutes and correspondence from Weinstein's time on the G.A. International Board of Trustees. Also contained in the collection are copies of correspondence from Jim W. (founder of Gamblers Anonymous) to Bill W. (a founder of Alcoholics Anonymous) and many books and other publications related to compulsive gambling.