Materials include news reports, copies of legislation, and legal analyses of state and federal regulations on gaming from 1949 to 2005 collected by Eugene Martin Christiansen. The materials are primarily comprised of newspaper articles and reports concerning state-level regulation of legal gambling, but the materials also include some federal legislation.

Materials include news reports, totalizator reports, and reports of private organizations concerning legal and illegal gambling in various countries from 1948 to 2004 collected by Eugene Martin Christiansen. The countries most represented in the materials are Australia, the United Kingdom, Hong Kong, Germany, Japan, Mexico, South Africa, and Spain. The topics include gambling legalization or illegalization, horse racing, lotteries, pari-mutuel wagering, and possible investment in casinos by multinational companies, as well as entertainment topics such as television markets, films, and vacation resorts.

Materials include news reports, annual reports, correspondence, and research notes about hotels and casinos from 1969 to 2006 collected by Eugene Martin Christiansen. The materials primarily consist of newspaper articles, reports by hotel and casino corporations, financial analyses of hotel properties, pamphlets and brochures from hotels and casinos, annual reports, and equity research.