The records consist primarily of press releases (January 1970-March 1973) from the Administración del Deporte Hípico, the Puerto Rican government agency that oversees horse racing in that country. The press releases include general announcements and financial reports for 1969 through 1972. Also included are a few form letters mailed to the organization's supporters. The government agency was later renamed Administración de la Industria del Deporte Hípico.

The collection, dated 1988-1999, was created by the United States Air Force, Nellis Air Force Base, Nevada. It consists of unclassified documents relating to the implementation of the Installation Restoration Program (IRP) of environmental remediation and restoration for Department of Defense (DOD) military installations, ranges, and disposal sites in Nevada.

The UNLV Libraries Collection of Hollywood Casino Corporation Promotional Materials and Reports includes annual reports, prospectus, 10-K forms, 10-Q forms, equity reports, financial research, press releases, press kits, a stockholder meeting notice, and promotional materials for Hollywood Casino Corporation in Dallas, Texas, dating from 1992 to 2001.

The UNLV Libraries Collection of Hollywood Park Inc. Financial Reports and Press Materials contains annual reports, financial reports, and press materials from Hollywood Park Incorporated, a gaming and sports entertainment company in Inglewood, California, dating from 1992 to 1999.

The collection contains press releases and press kits from Lottery Enterprises Incorporated, a San Diego, California company that produces vending machines for lottery instant tickets. The records date from 1993.

The UNLV Libraries Collection of Scientific Games Holding Corporation Financial Reports and Press Materials contains financial reports, equity research reports, Securities Exchange Commission Form 10-K, Securities Exchange Commission Form 10-Q, prospectus, press kits, and press releases from Scientific Games Holding Corporation, an instant lottery ticket manufacturer based in Alpharetta, Georgia. The records date from 1993 to 2006.

The Cosmopolitan Hotel and Casino Las Vegas, Nevada Records provide materials relating to the hotel's grand opening on December 15, 2010. Included are newspaper clippings, a poster pamphlet, gaming and rewards program information, and photographs of the hotel rooms. Also included is information about the art program, the shops, bars, nightclubs, and convention facilities.