Collection is comprised of the papers of Las Vegas producer, manager, and agent Matt Gregory from 1959 to 1986. Included are contracts, costume sketches, press releases, videos, show reviews, and advertisements. Also included are correspondence, public relations material, business related material, costume and set design drawings and sketches, slides, negatives, photographs, transparencies, and videos, mostly from the 1960s through the 1980s.

The Harrah’s Entertainment, Inc. Photograph Collection contains black-and-white and color photographic prints, negatives, postcards, and slides of William "Bill" Harrah at events in Nevada between approximately 1930 and 1991. Also included are views of Harrah’s Nevada properties including Harrah’s Lake Tahoe Hotel and Casino, Harrah’s Reno Hotel and Casino, and the Holiday Inn Hotel and Casino (that later became Harrah’s Las Vegas Hotel and Casino).