The Frontier Hotel and Casino Collection documents the history, entertainers, and events at the Frontier Hotel and Casino in Las Vegas, Nevada from 1942 to 1988. The collection includes promotional material, photographs, correspondence, invoices, legal documents, and newspaper clippings.

The Wilbur and Toni Clark Papers date from 1944 to 1991, with the bulk from 1953 to 1963 and document the lives of Wilbur and Toni Clark in Las Vegas, Nevada and the development of the Desert Inn Hotel and Casino. The collection includes correspondence from Wilbur Clark to those he identified as important individuals including government officials and celebrities. It also includes materials related to Clark’s plan of building luxury apartments near the Desert Inn, and newspaper clippings and scrapbooks about the Clarks and the Desert Inn. The collection contains some audiovisual materials including Wilbur and Toni Clark's home movies, news footage, and film footage of Las Vegas, Nevada and the Desert Inn.

The collection is comprised of drawings (1965-1996) completed by American architect Gary Guy Wilson and/or his architectural firm, Gary Guy Wilson, AIA, Architect Studios and contains 613 sets of drawings from over 250 different projects. Primarily focused on the Las Vegas, Nevada area, the materials feature hand-drawn architectural drawings, ranging from preliminary sketches to construction documents, and a number of printed computer aided drawings. The drawings also contain work from a number of consultants, engineers, and other architects who collaborated on the development of the various projects. The drawings include: commercial and professional buildings of varying scales, such as convenience stores, hotels, casinos, shopping centers, and office developments; schools; military buildings at both Nellis and Indian Springs Air Force Bases; multi-family residential developments; and custom single-family homes located throughout the Southwest (United States).

The Leprechaun Mining and Chemical, Inc. Records from 1954 to 1998 contain business information, Foot Chemical Company partnership documentation, meetings, audit and investment reports, financial papers, and stock certificates and transfers. Also included is data on the minerals mined in Nevada, such as salt, potash, and lithium.

The Robert Woodruff Photograph Collection (1900s-1970s) consists of ninety-seven black-and-white photographs of locations and events in Clark County, Nevada. Locations include Las Vegas, Henderson, and Searchlight, Nevada, as well as the Hoover Dam. The majority of the images were taken between 1934 and 1962.

The Richard Ronzone Photographs depict Las Vegas, Nevada storeowner and politician Richard “Dick” Ronzone and his family from 1920 to 1989 and 2001. The photographs primarily depict Ronzone at Ronzone’s Store in Las Vegas, at events with politicians such as Nevada Governor Paul Laxalt, or at the Las Vegas Valley Water District. The photographs also depict Ronzone during his service with the Nevada National Guard; portraits of Ronzone, his wife Ann Roeth Ronzone, and his mother Bertha Ronzone; and events during Ronzone’s tenure as a Clark County Commissioner from 1972 to 1980.

The Six Companies, Inc. Hoover Dam Photograph Collection (1931-1935), consists of approximately 400 black-and-white photographic prints contained in two photograph albums and an additional twenty-one loose black-and-white photographic prints with ten corresponding photographic negatives.