The UNLV Public Lands Institute Records (approximately 1946-2017) primarily contain records from the University of Nevada, Las Vegas's Public Land Institute's (PLI) which is focused on providing knowledge and research expertise in the areas of environmental education and interpretation related to public lands management. The materials include records from the PLI's inaugural founder, Dr. Margaret N. "Peg" Rees, then the Associate Vice President for Research and Outreach at UNLV. Materials document the founding and work of the PLI and also include papers from Rex Bell, Jr. associated with the Walking Box Ranch which is co-owned by UNLV and the Bureau of Land Management. The collection also includes videos of Rex Bell, Jr. discussing donation of Walking Box Ranch materials to the PLI.

The Maude Frazier Professional Papers (1955-1962) contain programs honoring Frazier, a University of Nevada, Reno commencement program, and a groundbreaking ceremony for the Nevada Southern Second Building. Also included are awards of appreciation and certificates for her dedicated service to the Las Vegas, Nevada community. The materials focus on her later career with the University of Nevada, Las Vegas.

The Thunderbird Hotel Records are comprised of material that documents the work of the Las Vegas, Nevada hotel's entertainment department from 1964 to 1973. The records consist of photographs, memorandum, newspaper clippings, and publicity materials.

The UNLV Libraries Collection of Bally Manufacturing and Entertainment Promotional Materials and Reports includes annual reports, financial reports, promotional materials, press releases, and clippings dating from 1968 to 2013.

The Alan Cummings Research Files (1974-2004) are comprised of research files compiled by Cummings, an elementary school teacher for the Clark County School District (CCSD) in Southern Nevada. The files represent Cummings's work to persuade the Teacher's Health Trust, the employee benefit plan for the school district, to consider domestic partnership benefits for CCSD educators and administrators. Materials include personal correspondence, newspaper clippings, magazines, and court cases.

The William F. Harrah College of Hospitality Records (1970-2016) contain documents pertaining to the College of Hospitality at the University of Nevada, Las Vegas. Materials include student projects, manuscript drafts by Jerome (Jerry) Vallen, brochures and promotional material, newsletters, and magazines. Also included are photographs of casino and hospitality industry workers and hospitality related events. Also included are publicity photographs of entertainers as well as models and showgirls in beauty pageants and at casinos. It is presumed that these photographs werey used for creating Premier: The Magazine of the UNLV Harrah College of Hospitality.

The Human Radiation Experiments Records (1949-1995) contain reports from the National Environmental Policy Act (NEPA), the Advisory Committee on Human Radiation Experiments (ACHRE), and the U. S. Department of Energy (DOE). Also included are newspaper clippings, a court case brought by the National Association of Radiation Survivors (NARS), and cancer research papers. With the goal of building an atomic bomb using plutonium extracted from uranium, the material also examines the outcomes of radiation exposure done on humans during the late 1940s and early 1950s at the Oak Ridge Nuclear Facility in Tennessee.