The collection is comprised of architectural records (1947-2001) of American architect, Homer Rissman and the architectural firm, Rissman and Rissman Associates Ltd, a partnership of Homer Rissman and his brother Marshall. The collection includes 825 items from over 40 major projects and over 110 minor projects. The Rissmans' work represented in the collection focused on Las Vegas, Reno, and Lake Tahoe, Nevada, Los Angeles, Southern California, and Arizona, with Homer's early career design work in Chicago, Illinois. The materials feature hand-drawn architectural drawings, ranging from pencil and ink on tracing paper preliminary sketches to ink on Mylar (TM) construction documents, and a number of artist’s renderings, used for presentations and promotional materials. The drawings also contain work from a number of consultants, engineers, and other architects who collaborated on the development of the various projects. The collection includes architectural drawings for: hotels, casinos, integrated casino resorts, office towers, multi-family residential developments, and custom single-family homes.

The Squires Family Photographs document the Squires Family and the development of the Las Vegas Valley in Nevada from approximately 1860 to 1980, with a bulk of the photographs depicting people and events from 1900 to 1950. The photographs depict the Euro-American settlement and growth of Las Vegas, Nevada; traveling and exploration of Southern Nevada and the Southwestern United States; the Hoover (Boulder) Dam and the Colorado River; clubs and social groups; and the Squires Family, especially prominent newspaper editor and publisher Charles Pember (C. P. or “Pop”) Squires, Delphine “Mom” Anderson Squires, and their children.

The Southern Nevada Gem and Mineral Society Records (1950-2024) contain the records of the Clark County Gem Collectors, Las Vegas Gem Collectors, and the current Southern Nevada Gem and Mineral Society. The collection contains articles of incorporation, by-laws, membership directories, meeting minutes, correspondence, financial records, show paperwork, and award certificates. Also included are photographs of the organizations since the 1970s and digital scans of Gem Times and The Polished Slab newsletters.

The Carolyn V. Hamilton Papers (1966-2024) consist of advertisements, press releases, correspondence, newspaper articles, awards, and event programs. The materials primarily document Hamilton’s work as a graphic designer and advertising executive in Las Vegas, Nevada from the early 1980s into the 2000s. Some of the materials in this collection pertain to the late comedian Cork Proctor, Hamilton’s former spouse, including performance advertisements and magazine articles.