The Elbert Edwards Papers (1869-1988) consist of manuscripts, newspaper clippings, and audio recordings documenting the history of Southern Nevada. The materials were compiled by Las Vegas, Nevada educator Elbert Edwards and contain a heavy emphasis on Mormon history. Other items of interest include biographies of Southern Nevada officials, Boulder City Cemetery genealogical records, and reports from the Clark County School District.

The KLVX Steamboats on the Colorado Records consist of documents related to the production of Las Vegas' channel 10's (KLVX) Steamboats on the Colorado documentary between 1974 and 1976. The collection is comprised of correspondence, promotional materials, scripts, a treatment, a grant application, maps of the Colorado River from 1852 and other materials used as research for the documentary.

The Daughters of Union Veterans (DUV) of the Civil War, Las Vegas, Nevada Records comprise various materials from the organization ranging from the years 1861 to 1970, with a bulk of the material dating from 1948 to 1954. The contents consist of a scrapbook of memorabilia and newspaper clippings, magazine articles profiling the Grand Army of the Republic, reissues of Harper’s Weekly from 1861, and the correspondence and ephemera of Henrietta Denny.

The James H. Down Sr. Scrapbooks (1933-1979) contain newspaper clippings and political advertisements about his political and civic involvement in Las Vegas, Nevada.

The Basic Magnesium Inc. (BMI) Records and Photographs (1933-1965) document the planning, construction, and management of the BMI magnesium manufacturing plants near present-day Henderson in Clark County, Nevada and a magnesium mining operation in Gabbs, Nye County, Nevada. Materials include chronological reports, press releases, telegrams, budgets, building diagrams, maps, and black-and-white photographic prints. The records document employee housing and infrastructure projects, magnesium production statistics, and employee data. The photographic prints, which include many aerial images, provide a visual record of the construction of the plant, the mining operation, and the associated support facilities and employee housing.

The Marie and James B. McMillan Papers (1928-2010) primarily contain documents pertaining to the families and careers of Marie and James B. McMillan. Included in the collection are photographs, biographical materials, newspaper clippings, award certificates, programs, obituaries, scrapbooks, trophies, legal and military documents, and political campaign documents. Marie McMillan is a former Las Vegas, Nevada flight instructor and one of the first women to work at the Nevada Test Site in Nye County, Nevada. James B. McMillan was the first African-American dentist to practice in Nevada, as well as a prominent Nevada civil rights leader.