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 Syphus-Bunker Papers date from 1891 to 1994, with the majority of the collection consisting of correspondence between Mary Etta Syphus and John Mathieson Bunker from 1891 to 1895. The collection also contains correspondence from friends and relatives, and documentation related to Mary Etta Syphus' attendance at Brigham Young Academy Church Normal Training School. Other materials include family history information and two color photographs of family homes. The collection also includes typed transcripts of the correspondence.

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 Blanch Jackson Photograph Collection (approximately 1900-1941) contains black-and-white photographic prints and negatives from the Jackson family’s life in Tonopah, Nevada and their travels to mining sites in Nevada and Arizona. Blanch, her husband Clyde, her father-in-law Colonel David Howell Jackson, their two sons, and some acquaintances are pictured in the photographs.

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 Emily Higby Powell Photograph Album (approximately 1910-1920) contains black-and-white photographs taken by Emily Higby Powell on a trip from New York to the west coast. The images depict desert landscape throughout the Southwest, including Northern Nevada, as well as images taken on Lake Champlain in Essex, New York.

The Edith Giles Barcus Family Photograph Collection (approximately 1878-1954) consists of black-and-white photographic prints and negatives, as well as postcards and photograph albums. The images depict locations in Nevada including Las Vegas, Goldfield, Searchlight, and Tonopah, in addition to locations in Arizona, California, Colorado, Massachusetts, Utah, and Mexico. Also included are images of family, friends, and associates of the Giles Barcus family. The albums contain photographs depicting the Giles family as they traveled through the southwest United States and Mexico, as well as postcards from prominent locations in the southwestern United States.