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.

Las Vegas Numismatic Society Records (1963-1974) consist of receipts, membership lists, deposit slips, correspondence, newspaper clippings, photographs, newsletters, and memos. Also included are brochures, newsletters, and postcards from the Sahara Hotel where the Society's first conference was held in 1963. There is a Guide to Personnel and a Service Directory from the Clark County, Nevada School District. Publications from the Nevada Test Site (NTS), Reynolds Electric ad Engineering Company (REECo), and Edgerton, Germeshausen, and Grier, Inc. (EGG) contain references to the donor, Carl G. Taylor.