Celesta Lowe Papers (1943-1995) consist of clippings, published writings ("Echoes from the Archives" and "Southwestern Bookshelf" columns), correspondence, and photographs related to Southern Nevada

history. Also included are National League of American Pen Women and Pen Hens material.

The Wilbur and Toni Clark Papers date from 1944 to 1991, with the bulk from 1953 to 1963 and document the lives of Wilbur and Toni Clark in Las Vegas, Nevada and the development of the Desert Inn Hotel and Casino. The collection includes correspondence from Wilbur Clark to those he identified as important individuals including government officials and celebrities. It also includes materials related to Clark’s plan of building luxury apartments near the Desert Inn, and newspaper clippings and scrapbooks about the Clarks and the Desert Inn. The collection contains some audiovisual materials including Wilbur and Toni Clark's home movies, news footage, and film footage of Las Vegas, Nevada and the Desert Inn.

The Greenpeace Pacific Southwest Records are comprised of files and documents pertaining to environmental activism in Southern Nevada from 1962 to 1994, primarily addressing the organization of protests at the Nevada Test Site. The collection contains newspaper articles, newsletters, publications, financial records, protest information, correspondence, meeting minutes, articles of incorporation, Freedom of Information Act requests, and Nevada Test Site information. Also contained in the collection are maps and documents related to various environmental issues such as nuclear waste, land use, wildlife protection, and international environmental activism.

The Planned Parenthood of Southern Nevada Records (1980-1995) contain materials related to the internal administration and structure of the organization such as reports, strategic plans, and statistics. In addition, the collection contains materials pertaining to fund-raising activities such as fund-raising guides, ideas, and resources. Also included are brochures, articles, fact sheets, and clippings regarding various subjects including abortion, birth control, family planning, sexual education, sexually transmitted diseases, and teen pregnancy.

The Las Vegas Chamber of Commerce Records (1911-2020) contain organizational documents from the Chamber’s history, including administrative and financial records, legal documents such as ordinances and legislation, newsletters and promotional guides, advertising and publicity materials for the city and its retailers, and original photographic prints, negatives, and reproductions. The collection also contains audiovisual materials featuring Las Vegas Chamber of Commerce events from approximately 1997 to 2013.

The Ruby Duncan Papers on Operation Life (1972-1992) consist of the organizational records of Operation Life Community Development Corporation, a non-profit organization that worked to improve living conditions in West Las Vegas, Nevada by providing a variety of community development services. Included are correspondence, agreements, accounting records, lease agreements, meeting materials, reports, speeches.

The Mildred Mann Papers (1915-1995) contain documents related to her involvement in teaching ceramics and her work with the Independent Order of Odd Fellows. Included are correspondence, newspaper clippings, magazines, certificates, childhood school materials, manuals, photographs, a scrapbook, and newsletters. There are also Clark County Community College (CCCC) class schedules, real estate papers, and membership lists.