The Wilbur and Toni Clark Papers date from 1944 to 1991, with the bulk from 1953 to 1963 and document the lives of Wilbur and Toni Clark in Las Vegas, Nevada and the development of the Desert Inn Hotel and Casino. The collection includes correspondence from Wilbur Clark to those he identified as important individuals including government officials and celebrities. It also includes materials related to Clark’s plan of building luxury apartments near the Desert Inn, and newspaper clippings and scrapbooks about the Clarks and the Desert Inn. The collection contains some audiovisual materials including Wilbur and Toni Clark's home movies, news footage, and film footage of Las Vegas, Nevada and the Desert Inn.

The Rico Izaguirre Collection of Harrah’s Entertainment Records (approximately 2003-2009) is comprised of records relating to employee engagement initiatives specific to the Atlantic City, New Jersey properties operated by Harrah’s Entertainment, Inc. The initiatives include “Winning Together,” a program intended to boost employees’ political engagement during the 2004 election season in the United States, and “Code Green,” an environmental sustainability program. The materials consist of manager’s handbooks, strategic plans, correspondence, annual reports, awards, and marketing materials, such as posters and newsletters. The collection also includes digital design files for various internal communications and Code Green brochures, handbooks, and fliers.