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 Las Vegas City Commission Records (1911-1960) is comprised of bound and unbound materials from the original Las Vegas City Commission. Twelve of the bound volumes are minutes that served as the official record of the proceedings of all Las Vegas City Commission meetings from 1911-1960. There are also three volumes of City of Las Vegas ordinances dating from 1911 to 1958, one volume of legal documents from 1944-1945 and two large volumes containing an alphabetical subject index to the topics covered in the minutes. Unbound materials cover the period 1921 to 1946 and include minutes, resolutions, ordinances, correspondence, financial records, proclamations and other documents related to city business. They provide a valuable historical record of a wide variety of business and community activities in Las Vegas in the first fifty years of its incorporation.