The Julius Jensen Professional Papers (1630-1979) consist of medical research notes, medical journal reprints, manuscript and article drafts, professional and personal correspondence, business and financial records, investment information, travel information, photographic prints, art prints, and collectible books and magazines.

The Liberty Engine Company No. 1 Records (1876-1927) consist of two accounting ledgers belonging to the Liberty Engine Company No. 1, the fifth volunteer fire company formed in Gold Hill, Nevada in 1868. One ledger is signed by a the wife of J. H. (John H.) Witte, who was listed in an 1880 edition of the Gold Hill Daily News as a member of the Liberty Engine Company No. 1. The collection also contains banking transactions dating from 1926 to 1927 and a handwritten account of various payments made to the heirs of a Mrs. S. K. Witte in 1906. Some items in this collection are digital surrogates.

The Walking Box Ranch Collection (1917-2011) includes material collected by the University of Nevada, Las Vegas (UNLV) Public Lands Institute on the Searchlight, Nevada ranch. Materials include a maps related to the construction and operation of the ranch, a pair of chaps owned by Rex Bell, Jr., and color slides of the ranch. Also included are photographic prints of Rex Bell and Rex Bell, Jr., and newsclippings related to the film and political career of Rex Bell. A small number of newsclippings pertain to the career of Rex Bell, Jr.

Flora Dungan Papers (1929-1974) contain high school and university records, certificates, newspaper clippings, press releases, notes, correspondence, and booklets about her life and political activism in Nevada. Also included are Legislative materials, an audio cassette tape, a copy of the Nevada Constitution, and an oil painting of Flora Dungan.