The Harrah’s Entertainment Corporate Archives (dating from 1811 to 2004 with the bulk of the materials dating from 1940 to 2000) contain the promotional and corporate files of Harrah’s Entertainment Inc. and its predecessors, as well as Bill Harrah’s personal papers and card game collection. The materials were compiled and developed as a corporate archive by Harrah's Entertainment, Inc.’s Corporate Communications Department. The collection is primarily comprised of casino and employee periodicals, reports, manuals, promotional files, ephemera, and newspaper articles that document Bill Harrah’s casinos in Reno, Nevada and Lake Tahoe as well as Harrah’s Inc., Holiday Inns, Inc., Holiday Corporation, the Promus Companies, and Harrah’s Entertainment, Inc. Also included are photographs that document the construction of Harrah’s properties, business operations, the people who worked and performed at Harrah’s properties, and Bill Harrah’s automobile collection. The collection also contains Bill Harrah’s collection of playing cards and card games. Also included are photographs of the Harrah family.

Ronzone Family Papers (1900-1991) include newspaper clippings, business documents, correspondence, certificates, yearbooks, publications, artifacts, and photographs. The papers document their lives in Nevada, their department store, and Dick Ronzone's involvement in local politics.

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.

The Dolores Brownhofer Neonis Photograph Collection (approximately 1940-1970) contains photographic prints, negatives, and a slide depicting the Brownhofer family at restaurants, bars, and casinos in Las Vegas, Nevada.