The Spencer and Georgia Butterfield Papers (1890s-1978) consist primarily of photographs and scrapbooks pertaining to Spencer and Georgia Butterfield, a prominent Las Vegas, Nevada couple involved in local business and civic activities. The collection also includes newspaper clippings of their social activities, correspondence, and assorted personal memorabilia.

Collection contains nineteen real estate appraisal reports created by John R. Moser from Las Vegas and rural Southern Nevada (Lincoln and Nye counties) from approximately 1957 to 1972. The reports contain information on the market values of the properties and contextual information explaining the appraisals. This collection also contains photographs and photographic negatives depicting properties, and photographic slides of desert flora and landscapes around Nevada and Idaho such as Groom Mountain Range, White Bird Canyon, Salmon River Valley, Clover Valley, and Ruby Mountains.

The C. D. Baker Photograph Collection depicts former Las Vegas, Nevada mayor Charles Duncan "C. D." Baker from 1916 to 1966. The photographs primarily depict Baker at political events, including campaign stops, fundraising events, meetings with officials and politicians, and at important locations in Las Vegas and Nevada. Baker was photographed with politicians such as U.S. Senator Chic Hecht, President Harry S. Truman, Governor Vail Pittman, and Lt. Governor Cliff Jones.

The J. A. Tiberti Construction Records include material documenting construction work performed throughout Las Vegas, Nevada between 1950 and 2011 including bid packages, specifications, contracts, correspondence, company records, legal documents, and architectural plans.