The Tony Costa Sheet Music and Music Scores (1936-1995) consists of printed sheet music and hand-written scores composed by entertainer, songwriter, and Las Vegas, Nevada orchestra conductor Tony Costa.

The Las Vegas Professional Sports Teams Collection (1988-2008) consists of brochures, ephemera, and programs from various Las Vegas, Nevada sports teams. Teams include the Coyotes, Dustdevils, Flash, Thunder, Silver Streaks, and Wranglers. The sports include basketball, ice hockey, inline hockey and indoor soccer.

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 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 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.