The Bob Stupak Professional Papers (approximately 1900 to 2007) primarily documents the career of Las Vegas, Nevada casino owner, Bob Stupak. The materials in the collection include the planning of two resorts in Las Vegas, Nevada created by Bob Stupak: Vegas World and the Stratosphere. The collection also includes planning materials for the Titanic Las Vegas, an unbuilt resort envisioned by Stupak. Planning and promotional materials for Stupak's resorts including photographs, memorabilia, audiovisual materials, advertising mockups, and architectural drawings. The collection includes several scrapbooks and photographs of Stupak and his wife Sandy at events around Las Vegas. The materials also document Stupak's political campaigns running for mayor of Las Vegas in 1983 and 1987 and lieutenant governor of Nevada in 2006.

The Stella Champo Iaconis Photograph Collection (approximately 1890-1950) contains four black-and-white photographic prints of the Helldorado Days celebration held in Las Vegas, Nevada and three photograph albums with family photographs. Included in the albums are images of Italian family members, and Stella and her sister Irene as young children on their family ranch in Southern Nevada in the 1920s and 1930s. The Champo family and other Las Vegas residents are prominently featured in photographs taken across Las Vegas, including at the Boulder Dam (Hoover Dam) dedication, the family's farm, and outside residences near downtown Las Vegas. The third album covers Stella Champo's personal life, with photographs of her first husband, Walter Cordano (married 1934-1942) and her second husband, John Iaconis. Included are trips to Los Angeles, California; Pioche, Ruth, and Goldfield, Nevada; and early downtown Las Vegas, including the Union Pacific Station. A partial inventory is available for the third album.