The Leon Rockwell Photograph Collection (approximately 1850-1979) contains black-and-white photographic prints, negatives, and slides, as well as postcards and tintypes. The images portray the lives of the Rockwell family in southern Nevada, their travels throughout New York and the western United States, and their immediate and extended family members. Also included are images of the volunteer and early firefighters of Las Vegas, Nevada, the Rockwell's family cabin at Mount Charleston, Nevada, and the Rockwell family home in Las Vegas. Portions of the images are from the Rockwell family travels across Nevada, Utah, New Mexico, Arizona, and California and depict historic locations such as Cove Fort, Utah; Rhyolite, Nevada; and Pueblo Grande de Nevada.

The Alpha Kappa Alpha Sorority, Incorporated, Theta Theta Omega (AKA TTO) Chapter records (1965-2020) are comprised of organizational records, conference programs, digitized copies of the chapter's scrapbooks, and copies of Ivy Leaf, the organization’s national newsletter. The records include chapter and committee agendas and meeting minutes, Far Western Regional Conference reports, and fliers for events hosted by AKA TTO. Also included are archived web captures of AKA TTO's website and digital audio and video files for the chapter's oral history project interviewing Charter, Golden, and Silver members from 2019 to 2020.

The Dick Maurice Papers and Audiovisual Recordings (1958 to 1990 and undated) document his career as a talk show host and as a columnist in Las Vegas, Nevada. It also documents his experience as a hostage during the Trans World Airlines (TWA) Flight 355 hijacking on September 10, 1976. Included are photographs, correspondence, press releases, news clippings, programs, and the transcript of the episode of The Merv Griffin Show on which Maurice appeared. The bulk of the collection consists of audiovisual recordings of his interviews with entertainers, and his radio and television programs.

The Blue Diamond Mine Corporate Records (1918-2005) consist of operational and organization records of the gypsum mining and milling operations located in southwest Clark County, Nevada. Materials include operational records related to individual boring sites at the mine; milling operations and statistics; and equipment operations and statistics, including maps, field notebooks, and photographs. There are also daily, weekly, and monthly organizational records related to employee work schedules and safety reports for the mining operations, including accident reports and a safety education training program.

The Tobias Mattstedt Menu Collection (approximately 1990-2009) is comprised of menus documenting the restaurant industry in Las Vegas, Nevada, the United States, and internationally. The menus include restaurants located in Las Vegas casinos, most notably the MGM Grand, located in Las Vegas. Included in the MGM Grand menus are restaurants such as the Pearl, Tabu Ultra Lounge, and the Grand Wok and Sushi Bar. The collection also documents menus collected by Mattstedt that are not affiliated with the MGM Corporation. These include menus located in the United States, especially Hawaii, including menus from the restaurants Olio!, Nob Hill, Diego's, and Sea Blue. The collection also includes international menus with a focus on Asian countries. The material provides insight into menu design, food culture, and the Las Vegas service industry.