The Frank Williams Papers on Early Nevada (1892-1946) consists of manuscripts written for the most part by Frank Williams, an early resident of Southern Nevada. The collection includes Williams' autobiography as well as histories of Goodsprings, Potosi Mine, Mesquite Valley, and the Yellow Pine Mining districts. Finally, this collection contains reports and material reflecting Frank Williams' two terms as University Regent (1909-1912 and 1923-1942) at the University of Nevada, Reno, and his four terms in the Nevada State Assembly.

The University of Nevada, Las Vegas Phi Kappa Phi Records (approximately 1960-2019) consist of meeting minutes, correspondence, financial documents, member lists, programs, newspaper clippings, and photographic prints pertaining to the Honor Society of Phi Kappa Phi Chapter 100 at the University of Nevada, Las Vegas (UNLV). The collection also includes memorabilia from the organization's fiftieth induction ceremony, as well as a framed copy of its charter.

The Evelyn Stuckey Papers date from 1940 to 1972 and document Stuckey's experience as a physical education teacher at Las Vegas High School (LVHS) in Las Vegas, Nevada and founder of the LVHS Rhythmettes dance group. The collection contains personal and educational materials from Stuckey’s college years, personal correspondence, and photographs. It also contains materials documenting the Rhythmettes' activities including travel plans, posters and fliers, news clippings, and group rosters.

The Loretta Bowman Collection of Clark County Clerk Records (1912-1997) contain documents collected by Clark County Clerk Loretta Bowman during her time in office. Materials include court proceedings, signed agreements and contracts, appointments to public offices and related correspondence, denials of cases involving battery on police officers, affidavits for birth certificates, and criminal peace bonds. The majority of the materials are oaths of office and the related surety bonds for government officials.

The Si Zentner Collection of Music Scores consists of copyright agreements and original music scores from the career of musician Si Zentner. The manuscripts span from 1957 through 1996.

The Kane Springs Ranch Records (1930-2005) contain materials related to the Kane Springs Ranch in Meadow Valley Wash outside of Moapa, Nevada. The collection primarily focuses on the property itself, but also contains a genealogy of the Huntsman family, the ranch's first owners. Records include deeds and materials from the sale of the Kane Springs Ranch to the Bureau of Land Management in 2005. The bulk of the collection documents how the Bradley Stuart family used its resources from 1952 to 2003. These materials are related to water usage on the property and a rock and sand mining operation.

The State of Arizona vs. State of California Proceedings Concerning the Colorado River Usage Dispute collection (1957-1961) contains supplemental documents from the Arizona v. California Supreme Court case that began in 1931 and ended in 2000, including briefs, objections, requests for admissions of facts, rebuttal outlines, witness outlines, comments, and requested findings of facts.