The C. C. (Clio Cline) Mobley Photograph Collection (approximately 1911 to 1917) consists of sixteen black-and-white photographic prints with corresponding photographic negatives. The images depict the Las Vegas, Nevada Ranch while the Mobley family leased it from the Union Pacific Railroad during the period. The photographs depict the home, swimming pool, the Old Las Vegas Mormon Fort, and orchards and streams on the property.

Arthur G. Grant Photograph Collection consists of 120, 35 mm color photographic slides taken in the mid 1950s in and around Las Vegas, Nevada. Content includes images from Arthur G. Grant's home life, the Fortune Club business on Fremont Street, general downtown, Helldorado Parade, and a Mount Charleston picnic. The collection also contains images of Lake Mead boat races including an appearance by Donald Campbell and his water speed world record-setting jet powered boat Bluebird. The collection has been digitized.

The Aladdin Hotel and Casino Photograph Collection (approximately 1966 to 1979) consists of thirteen black-and-white and color photographic prints. Included are images of architectural renderings, exterior views of the hotel entrance and theater, and interior views of the Aladdin Theatre for the Performing Arts, convention area, dining areas, and guest suites and rooms.

The Don T. Walker Photograph Collection (1900-1995) is comprised of black-and-white and color photographs taken by or belonging to Las Vegas photographer and Nevada historian Don Travis Walker. The photographs taken by Walker include ghost towns in Nevada, Arizona, and California, as well as a series on Phil Benson, editor and publisher of the Southern Nevada Times. Other items in the collection include photographs taken by other people related to the Moulin Rouge Hotel in Las Vegas, various photographs of historic sites in Nevada, and a program from the Nevada State Museum and Historical Society for its "Moulin Rouge: History in the Making" exhibition.

The Elmo and Charlotte Ellsworth Photograph Collection (approximately 1940-1959) is comprised of black-and-white photographic prints and negatives. The images depict Charlotte and Elmo Ellsworth. Also included is an image of Elmo Ellsworth on horseback at the Las Vegas, Nevada airport for the arrival of the first United Airlines flight and an image of people at the Last Frontier Village in Las Vegas.

The James Cashman Sr. Photograph Collection (approximately 1905 to 1975) consists of black-and-white photographic prints, negatives, slides, and albums as well as a glass plate negative. The photographs depict four major subjects: Cashman's family, friends, and associates; Cashman's businesses; the Hoover Dam and Colorado River; and various locations across Nevada.

The "Las Vegas: Snapshots of History" Photograph Collection is comprised of photographic prints and slides as well as digital surrogates of photographic prints and ephemera representing architecture and events in Las Vegas, Nevada from approximately 1960 to 2017. Materials were donated by members of the Las Vegas community as part of a community scanning day sponsored by the National Endowment for the Humanities' Common Heritage grant. The majority of the collection documents landmarks in Las Vegas including the Stardust Resort and Casino, The Mint Las Vegas, Fremont Street, and the Desert Inn.