The Beckley Family Photograph Collection (approximately 1891-1982) consists of black-and-white photographic prints and negatives and color photographic slides. The images depict the Beckley family, their businesses in southern Nevada, and Las Vegas, Nevada as the city developed during the first half of the twentieth century. Also included are images of airplanes at the first Las Vegas airport Anderson Field, later renamed Rockwell Field in 1925, Fremont Street in Las Vegas, and postcards of mining towns across southern Nevada.

The Las Vegas Ambassadors Collection (1968-1985) primarily consists of a scrapbook, newspaper articles, and photographs documenting the activities of the Las Vegas Ambassadors youth singing group. The materials were compiled by Harry LaFavor, the Ambassadors' business manager, who co-founded the group with Norman Kaye and Richie Astone to promote a positive image of Las Vegas. The collection also includes a songbook, vinyl record and ¼” tape recording, and promotional materials.

The Cliff Trenier Papers (approximately 1950-1999) document the life and career of Clifton "Cliff" Trenier, who performed with various siblings across the United States beginning in the 1940s. The collection contains photographs of Cliff with his twin brother Claude performing, documents and newspaper clippings relating to the musical group's tours and their numerous performances in Las Vegas, Nevada including at the Moulin Rouge. Also included in the collection are photographs of Cliff's wife, Bedez, and correspondence between the couple up until Cliff's illness and death in 1983.

The Taylor Construction Company Collection (1954-1973) consists primarily of publicly distributed information and provides a glimpse of some of the hotels, housing, public buildings, and remodeling projects handled by the company. It contains two booklets on the construction projects of the company from 1954 to 1972. It also includes Las Vegas International Hotel's projected revenues from 1969 to 1973, a newspaper article on Taylor Construction Company projects in Florida, and an invitation to the groundbreaking ceremony for the MGM Grand Hotel.