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 Babe Pier Papers (approximately 1962-2012) include promotional materials, photographs, and audiovisual materials documenting the career of Las Vegas, Nevada-based comedian and impressionist, Babe Pier. Materials include Pier's show reels, fliers, posters, and photographs of Pier as a solo entertainer and as part of comedy groups such as the Vagabonds and the Happy Jesters. The collection includes recordings of Pier's appearances on television shows like the Mike Douglas Show and Milton Berle's comedy special as well as his comedic boxing charity fights. Materials also contain personal photographs of Pier and his family, including his wife, Cindy Raft, who managed an entertainment agency and was also an entertainer in Las Vegas.

The Nevada Consolidated Copper Company Records (approximately 1907-1978) contain the business records of the company, including correspondence, freight bills, ledgers, maps, leaching data, and books relating to mining. The majority of the records post-date the company's name change to Kennecott Mining Company.

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.