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 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.