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.

The Culinary Workers Union Local 226 Las Vegas, Nevada Photographs document various activities of the Culinary Union, from the 1950s to 2006, with the bulk of the material documenting the 1990s. Prominently featured in the collection are various strikes, pickets, marches, parades, rallies, and demonstrations from the late 1980s to early 2000s. A large portion of these photographs documents the Frontier Strike of the 1990s. Also included are photographs of press conferences, political rallies, internal committee meetings, Hotel Employees and Restaurant Employees (H.E.R.E.) conventions, and various social events. Materials contain photographic prints, photographic negatives, and a small number of slides.