The Harry Floyd Alter Photograph Collection (1905-1916) is comprised of black-and-white photographic prints and negatives. The images depict scenes in Las Vegas, Nevada, including the Las Vegas Ranch, the Arizona Club, and baseball teams and fields. Also included are images of Harry Floyd Alter and his friends.

The Billie Mae Polson Photograph Collection, approximately 1948 to 1978, consists of fifty-one color postcards from Las Vegas, Nevada, the Hoover Dam, and surrounding areas. Also included in the collection are original black-and-white and color photographs of the Valley of Fire Nevada State Park, an Easter parade in Las Vegas, and the Las Vegas 5th Street School prior to demolition. There are also ten negatives included in this collection that correspond with select postcards and the photographs from the Valley of Fire Nevada State Park.

The Charles Thomas-Perry Photograph Collection depicts towns in Southern and Central Nevada from 1900 to 1940. The photographs primarily depict the Thomas and Perry families in Beatty, Nevada and Pioneer, Nevada, including Charles Thomas’s store and their family homes. The photographs also depict buildings, celebrations, children, and the towns of Searchlight, Rhyolite, Goodsprings, and Goldfield, Nevada.

The Katherine Hoenig Arai Photograph Collection dates from 1941 to 1942, and contains black-and-white photographic prints of the owner and founder of the El Rancho Vegas, Thomas E. Hull and his wife Jerry. Images depict the Hulls posing inside and out in front of the hotel shortly after its opening, as well as a and also a portrait of Hull.

The KLVX Steamboats on the Colorado Photograph Collection contains photographic prints and negatives used by the Las Vegas, Nevada television station KLVX (Channel 10) for a documentary on steamboats in the Southwest United States between approximately 1870 and 1979. KLVX made this documentary for the Arizona American Revolution Bicentennial Commission and the Nevada American Revolution Bicentennial Commission, who jointly funded the documentary’s production. Some of these photographs may be reproductions of originals gathered during the research for the documentary.

The Fred and Eva Gillhouse Photograph Collection contains photographs and postcards from Nevada and California from 1855 to 1968. The photographs primarily depict buildings in Carson City and Virginia City, Nevada, and Sacramento, California. The photographs also depict Eva Olenna Blood Ruff Gillhouse at her typewriter and with Frank "Pistol Pete" Eaton, the subject of her biography Pistol Pete, Veteran of the Old West.

The Ella Earl Carruth Photograph Collection contains photographs depicting Mormon settlers in Nevada from 1906 to 1934. The materials include photographs of the Mormon Fort in present-day Las Vegas, Nevada, the town of Bunkerville, Nevada, and Mormon pioneers Edward Bunker, Joseph Ira Earl, and Zilpha Earl.