The Elmo C. Bruner Architectural and Real Estate Appraisal Records date from 1937 to 1996 and contain architectural and appraisal records from Las Vegas, Nevada. Bruner joined A.L. Worswick’s office in 1947, taking it over following Worswick’s retirement in 1954. In 1958, Bruner formed the Las Vegas Appraisal and Finance Corporation. The bulk of the collection consists of appraisal records for residential and commercial properties in Las Vegas, Henderson, and North Las Vegas. These records provide a detailed look at the urban development of the region as well as building design, style, and neighborhood characteristics. The architectural drawings highlight the work of Worswick and Bruner, including Frazier Hall at Las Vegas High School and the original adobe administration building at McCarran Airport.

The Paul May Papers (1963-1984) contain correspondence, reports and minutes from the Nevada Legislature, campaign materials, and invitations to various events.

The Thunderbird Hotel Records are comprised of material that documents the work of the Las Vegas, Nevada hotel's entertainment department from 1964 to 1973. The records consist of photographs, memorandum, newspaper clippings, and publicity materials.

The John Wittwer Collection on Agriculture in Nevada (1898-1972) contains the professional papers and records of John Wittwer in his capacity as an Agricultural Extension agent for the University of Nevada from 1921 to 1954. The records are primarily annual reports containing text, photographs, newspaper clippings, and charts that provide a rich chronicle of the conditions of agriculture and ranching in southern Nevada from 1898 to 1972, with the bulk of the material dating from 1929 to 1955. These conditions span water issues, such as flood control and irrigation, to the general difficulties of sustaining agriculture and viable food production in a desert environment. The reports come from the Agricultural Experiment Stations in Clark and Lincoln counties and most contain both a statistical report and a narrative summary.

The Clark County, Nevada United States Bicentennial collection dates from approximately 1970 to 1976. The collection documents Nevada's participation in the 1976 Bicentennial celebration of the American Revolution, as well as celebrations from other states and countries in Europe. The collection is comprised of official reports from the U.S. Bicentennial committee, scrapbooks from the Clark County bicentennial committee, newspapers, and event programs from bicentennial celebrations around the country. The collection also contains a film of various American states' bicentennial celebrations.

The Zelvin Lowman Papers (1938-2001) contain the papers of Assemblyman Zelvin "Zel" Lowman who served in the Nevada State Legislature from 1967 to 1977. Included are court records, publications, correspondence, reports, and newspaper clippings pertaining to his time in office. Subjects include the Clark County School District, school busing, water and air quality issues, capital punishment, medical malpractice, mental health legislation, and the Equal Rights Amendment (ERA). The 2018 addition includes newspaper clippings, awards, citations, school records, photographs, occasional cards, invitations, and extensive material on the Lowman's involvement with the Boy Scouts and Girl Scouts of America. Also included are books written by Zel Lowman about scouting and the Presbyterian Church.