The James Cashman Sr. Photograph Collection (approximately 1905 to 1975) consists of black-and-white photographic prints, negatives, slides, and albums as well as a glass plate negative. The photographs depict four major subjects: Cashman's family, friends, and associates; Cashman's businesses; the Hoover Dam and Colorado River; and various locations across Nevada.

The MacDonald Ranch Architectural Records contain master plans, architectural drawings, civil drawings, and landscape drawings primarily detailing the community development process of MacDonald Ranch, one of the oldest and most affluent master-planned communities in Clark County, Nevada between 1972 to 2007. Included are also drawings for MacDonald Highlands and Green Valley Ranch.

The Richard B. Taylor Photograph Collection (approximately 1957-1991) consists of black-and-white and color photographic prints and negatives. The images depict Taylor alongside Pi Kappa Alpha fraternity brothers playing table games and seated at a bar inside the Arizona Club in Las Vegas, Nevada. Additional images portray Taylor’s home on Trotter Circle in Las Vegas decorated for Halloween.

The collection contains drawings, photographs, and posters featuring costumes designed by José Luis Viñas, a Spanish costume designer active in Las Vegas, Nevada, from 1960 to 2000. Viñas is best known for his costume designs for Vive les Girls (1962-1975) and Casino de Paris (1963-1982), both long-running shows at the Dunes Hotel and Casino, as well as for Siegfried and Roy's show at the Frontier Hotel in the mid-1980s. Viñas also did some costume designs for an unidentified show in Sun City, South Africa in the late 1970s and later a show called Circus Cabaret at the Lady Luck Casino Hotel in Downtown Las Vegas.

The Mollie Gregory Collection of Oral Histories contains audio interviews and brief transcripts that focus on welfare, family, and women's issues in Nevada from 1970 to 1974. Gregory interviewed Nevada residents including Maya Miller, Ruby Duncan, and Mary Wesley, who described their lives during the anti-poverty and women's rights campaigns in the early 1970s. The collection documents views on welfare; the Equal Rights Amendment; race, discrimination, and civil rights; and political campaigns.