The Betty Henderson Professional Papers (1963-1985) are comprised of materials produced by Betty Henderson in her capacity as a private music teacher in Las Vegas, Nevada and as a member of the Nevada Music Teachers Association (NMTA). The collection includes scrapbooks of concert programs and NMTA events, materials from Henderson's experiences in Europe as a People-to-People ambassador with the Music Teachers National Association, and recordings on reel-to-reel tapes of concerts Henderson performed in or judged.

The Daly v Daly Collection documents materials produced for and as a result of the lawsuits between Suzanne Daly (formerly Tim Daly), a male-to-female transgender woman, and Nancy Toews Daly from 1980 to 2003. The collection primarily focuses on the motions filed with the Nevada District Courts and Nevada Supreme Court and transcripts of the divorce, the battle for parental rights, and an allegation of civil rights violations.

The Stella Champo Iaconis Collection of Helldorado Photographs (approximately 1934-1940) contains four black-and-white photographic prints of the Helldorado Days celebration held in Las Vegas, Nevada. Images depict people celebrating at the Apache Bar in downtown Las Vegas.

The William J. Moore Jr. Photograph Collection (approximately 1942-1960) consists of black-and-white photographic prints, negatives, and one oversize image depicting William "Bill" J. Moore Jr.'s career as a casino operator in Las Vegas, Nevada. Images include events at the Moore family home and the Hotel Last Frontier. Also included are images of Moore with politicians, casino operators, and other notable figures in Las Vegas.