The Charles Aplin Photograph Collection (approximately 1935-1955) consists of black-and-white photographic prints and negatives. The images primarily depict the Fraternal Order of Eagles, Las Vegas, Nevada chapter events and members. Also included are images of Las Vegas, Helldorado parades, and Conrad H. Mann, former president of the Fraternal Order of Eagles.

The James "Dee" Donithan Collection of Nevada Test Site Photographs (approximately 1970-1999) consist of 8x10 photographs depicting flowers, landscapes, wildlife, workers, work sites, and testing equipment at the Nevada Test Site. The photographs were printed by the Lawrence Livermore National Laboratory in Mercury, Nevada, and collected into a binder by James "Dee" Donithan.

The Charles J. Hirsch Papers (1952-1987) contain gaming reports and net-recovery percentages from the Golden Nugget Casino from 1952 to 1967, the Sands Hotel and Casino in 1965 and 1975, the Landmark Hotel and Casino in 1975 to 1976, and the New Frontier Hotel and Casino in 1973 to 1975. Also included are American Society for Quality Control (ASQC) conference materials, speeches given by Hirsch, correspondence, photographs, newspaper clippings, and surveys.

Ann Valder Papers (1963-1984) include agendas and minutes, programs, invitations, events, and newspaper clippings. The papers are limited to the time Valder spent working for the Review Journal and the Valley Times in Las Vegas, Nevada. The activities covered are her work with Southern Nevada Memorial Hospital and the American Cancer Society.

The Mike Miller Papers (1971-2014) include advertisements, books, and paintings by Las Vegas, Nevada-based artist and graphic designer Mike Miller. Materials include photographs, art prints, advertisements, newspaper clippings featuring Miller's advertisements, casino advertisements, and books designed, written, or illustrated by Miller.

The Southern Nevada Historical Society Records document the management and development of the Southern Nevada Historical Society (SNHS) as well as various historical projects in Las Vegas and Southern Nevada that the society sponsored from 1948 to 1983. The records include SNHS correspondence (1951-1978), meeting minutes (1958-1983), and accounting information (1959-1980). It also contains copies of the SNHS Backtrails Newsletter, promotional material for events, membership lists, and research materials for various projects related to the history of southern Nevada and Las Vegas.