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 Charles P. and Delphine Squires Papers from 1882 to 1964, with bulk dates from 1905 to 1964, contain book and short story manuscripts, articles, press releases, newspaper clippings, and radio scripts written by Squires and his wife, all relating to their early life in Las Vegas. Also included are report cards, certificates, Parent Teacher Association material, Mesquite Club records and church activity materials.

The Toni and Wilbur Clark Photographs depict Las Vegas, Nevada casino owner and land developer Wilbur Clark and his wife Toni from 1910 to 1975. The photographs primarily document Wilbur and Toni Clark at the Desert Inn, the hotel and casino Wilbur co-owned. The photographs also depict him with politicians and entertainers, and Wilbur and Toni Clark’s house in Las Vegas.

The Robert L. Forbuss papers (1945-2011) are comprised of the personal papers of Las Vegas, Nevada educator and businessman, Robert L. "Bob" Forbuss. The collection materials include photographs of Forbuss throughout his life, including his early childhood, as well as some photographs of his mother, Marjorie Forbuss, during the 1940s and 1950s. The collection documents Forbuss's early childhood through adulthood and includes materials such as personal correspondence and Forbuss's baby book. There are also papers documenting Forbuss's professional life including his involvement with local politics and businesses. The collection includes records for J&B Strategic Alliances, LLC., a consulting company that he co-founded with former Las Vegas mayor, Jan Jones.