The J. T. McWilliams Photograph Collection contains photographs and postcards from Nevada and Southern California from approximately 1900 to 1970. The materials include postcards depicting Las Vegas, Nevada casinos such as El Rancho Vegas and the Golden Nugget Gambling Hall. The materials also include postcards depicting towns and scenes in Nevada such as Carson City, Rhyolite, Red Rock Canyon, and covered wagons traveling to Las Vegas. Lastly, the materials contain several photographs of the McWilliams family, possibly while they were living in what is now Las Vegas, Nevada.

The Emily Higby Powell Photograph Album (approximately 1910-1920) contains black-and-white photographs taken by Emily Higby Powell on a trip from New York to the west coast. The images depict desert landscape throughout the Southwest, including Northern Nevada, as well as images taken on Lake Champlain in Essex, New York.

The Peggy Hyde Phillips Papers (1929-1998) document the lives of Peggy Hyde Phillips, her first husband Charles, and her son Michael. Materials include family photographs, correspondence, newspaper clippings, and documents from Michael Hyde’s time as a student at the United States Air Force Academy. The collection also includes a near-complete run of issues from February 1, 1963 through May 8, 1964 of the Paradise Press weekly newspaper from Paradise, an unincorporated township in Clark County, Nevada.

Citizen Alert is a Nevada-based environmental organization established in 1975 in response to Yucca Mountain being considered as the repository for the nation's nuclear waste. The records in the collection date from 1971-1999, with the bulk of the records from 1988-1996 and focused on issues of concern to Southern Nevada. The collection includes a large subject and administration file containing the organization’s mailings, fliers and newsletters regarding environmental issues and events, newsletters of other environmental organizations, press releases and brochures from a number of government agencies, and newspaper clippings on specific environmental topics. The collection also contains a number of environmental reports from federal, state, and local agencies as well as a number of conference and activist packets.

The Valda and Esper Esau Collection on Lido de Paris (1954-2014) mainly consists of newspaper clippings, ephemera, and programs documenting the career of entertainer Valda Esau, who danced in the Lido de Paris show at the Stardust Hotel and Casino in Las Vegas, Nevada in the late 1950s. Other materials in this collection include show programs for other shows held in France featuring the Bluebell Girls dance troupe such as the original Lido de Paris. The collection also includes invitation and photographs featuring Esper Esau from Pzazz! '70, a show that was produced by Donn Arden at the Desert Inn Hotel.

The Bill Campbell Costume Designs (1954-1978) are comprised of original costume design sketches created by designer Bill Campbell for a number of Donn Arden's stage productions, including Pzazz!, Hello America, and Hello Hollywood Hello that were staged in the Crystal Room at the Desert Inn in Las Vegas, Nevada during the 1960s and 1970s. The collection also contains some sketches for other revues held in Los Angeles, California and Reno, Nevada. The majority of items in the collection are original drawings with attached fabric swatches; a number of items are xeroxed reproductions.

The Clarabelle Decker Papers (1926-1980) reflect the varied career of Clarabelle Decker as a teacher, librarian, and writer who worked in Nevada, Northern Arizona, and Southern California. Materials include Decker's writings and other published works, including books, booklets, poetry, as well as teaching aids, a grammar guide, posters, and fliers. Teaching materials primarily date from 1926 to 1952, while her library and writing materials date from 1954 to 1980.