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.

The UNLV Libraries Collection of Scientific Games Holding Corporation Financial Reports and Press Materials contains financial reports, equity research reports, Securities Exchange Commission Form 10-K, Securities Exchange Commission Form 10-Q, prospectus, press kits, and press releases from Scientific Games Holding Corporation, an instant lottery ticket manufacturer based in Alpharetta, Georgia. The records date from 1993 to 2006.

The Las Vegas Bugle Collection on Lesbian, Gay, Bisexual, and Transgender (LGBT) History (1984-2002) consists of correspondence, newspaper clippings, photographs, and ephemera chronicling issues of the LGBT communities in Nevada. In addition to records of the newspaper, the Las Vegas Bugle, the collection also contains documents pertaining to the founding of the Gay Community Service Center of Las Vegas, Nevada; Parents, Families, and Friends of Lesbians and Gays (PFLAG); local political campaigns; and photographs documenting LGBT life and culture in Las Vegas, Nevada.

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 C. C. (Clio Cline) Mobley Photograph Collection (approximately 1911 to 1917) consists of sixteen black-and-white photographic prints with corresponding photographic negatives. The images depict the Las Vegas, Nevada Ranch while the Mobley family leased it from the Union Pacific Railroad during the period. The photographs depict the home, swimming pool, the Old Las Vegas Mormon Fort, and orchards and streams on the property.

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.