The Benedict Family Papers materials date from roughly 1905-1998 and are comprised of correspondence and letters (1969-1971) written to Howard Hughes by the public. The collection also contains correspondence written to Robert Maheu, former chief executive of Nevada operations for Howard Hughes. The collection also includes a variety of casino and gambling related product catalogs, gaming guides for Las Vegas casinos, and of research papers and reports primarily relating to sports betting and cheating.

The Janice Allen Papers are comprised of photographs, various publications, awards, a scrapbook, correspondence, memoranda, and newspaper clippings dating from 1953 to 2011 that document Janice Allen's philanthropic and political work in the state of Nevada. The materials document Allen's involvement with the Las Vegas Junior League, the Beta Sigma Phi sorority, and other volunteer work. The collection also contains correspondence received by Allen from various United States politicians, most notably the Republican Senatorial Inner Circle.

The Oran K. Gragson Photographs depict Las Vegas, Nevada mayor and businessperson Oran K. Gragson from 1957 to 1981. The photographs primarily depict Gragson at political events with his wife Bonnie and other politicians such as U.S. senators Howard Cannon and Alan Bible, and Nevada Governor Paul Laxalt. The photographs also depict Gragson at groundbreaking ceremonies, Nellis Air Force Base, Las Vegas hotels and casinos, the mayor’s office, ribbon-cutting ceremonies, and with performers such as Wayne Newton, Sammy Davis Jr., and Lawrence Welk.

The Robert Beckmann Photographs contain photographic slides, prints, and negatives of the paintings, murals, and commercial projects of American artist Robert Beckmann from 1964 to 2009. The collection includes photographs of Beckmann's paintings and murals from around the United States, including works commissioned for casinos in Las Vegas, Nevada, banks, schools, and government buildings. Other photographs document Beckmann's research subjects, models, and art installations.

The Sherwin "Scoop" Garside Papers comprise photographs and documents of Las Vegas Review-Journal writer and photographer Scoop Garside. The collection dates from 1930 to 1983 and includes publicity photos of the Old Spanish Trail, correspondence from the Nevada State Centennial Commission, history of mines (Tonopah, Goldfield, Bullfrog), copies of articles written by Garside, family photos and general photographs of people and places, negatives of Las Vegas, Nevada; Searchlight, Nevada; St. George, Utah; and several unlabeled negatives. The 2017 addition contains newspaper clippings, a scrapbook, Nevada Historical Quarterly, and information on Nevada historic preservation. There is also genealogical information on the Garside family.