The K. O. Knudson Photographs (approximately 1920-1969) depict the Las Vegas Grammar School and service, fraternal, and veterans organizations gathered by retired Las Vegas, Nevada school administrator and World War I veteran K. O. Knudson (also known as K. Oscar Knudson). The collection includes images of Knudson, Las Vegas Masonic Lodge members, American Legion members, and school dances. The photographs primarily feature Las Vegas, Nevada.
The J. T. McWilliams Photograph Collection contains photographs and postcards from Nevada and Southern California from approximately 1900 to 1970. The materials include postcards depicting Las Vegas, Nevada casinos such as El Rancho Vegas and the Golden Nugget Gambling Hall. The materials also include postcards depicting towns and scenes in Nevada such as Carson City, Rhyolite, Red Rock Canyon, and covered wagons traveling to Las Vegas. Lastly, the materials contain several photographs of the McWilliams family, possibly while they were living in what is now Las Vegas, Nevada.
The Nevada Mining Photograph Collection depicts mining activities, miners, and mining towns in Nevada from 1868 to 1937. The photographs primarily depict the towns of Tonopah, Nevada and Goldfield, Nevada, including mills, buildings, mine shafts, and panoramic views of the landscape. The photographs also depict Beatty, Lost City, Delamar, Candelaria, Winnemucca, Virginia City, Rhyolite, Elko, and Reno, Nevada. The photographs also include portraits of early settlers in Nevada, Native Americans, children, parades, celebrations, and funerals.