The Lee Plotkin papers document Plotkin's political work and associations as an LGBT activist and spokesman for the Las Vegas gay community, and include correspondence, press releases, copies of his columns, institutional and legislative documents, brochures, fliers and other ephemera from 1955 to 2006.

The Las Vegas Archive Memorabilia and Promotional Materials (approximately 1960-2019) contains reproductions of photographs taken of historic landmarks around Las Vegas, Nevada and entertainers like Elvis Presley, Nat King Cole, Frank Sinatra, Dean Martin, and Liberace performing in Las Vegas. The collection also contains digital photographs from 2008 of an airship displaying an advertisement for the M Resort Spa and Casino. There is also memorabilia from the MGM Grand Hotel including a gaming guide, decks of playing cards, and a commemorative drinking glass. The collection also includes several historic postcards depicting Las Vegas, political campaign buttons for local Nevada elections, and greeting cards from U.S. Representative Jim Santini.

The Walking Box Ranch Collection (1880-1979, bulk 1930-1945) contains digital images compiled by the University of Nevada, Las Vegas (UNLV) Public Lands Institute. The collection consists of images of the Walking Box Ranch (Searchlight, Nevada), the Mojave Desert, and the Bell Family, consisting of American film stars Rex Bell, Clara Bow, and their children. There are also candid and professional photographs of Rex Bell and Clara Bow taken at various locations, some of which include friends and other family members, as well as a large number of unidentified film stills from Rex Bell movies. Images in this collection are from Bell family photograph albums and assorted prints, and were reformatted into digital images by the UNLV Public Lands Institute.