Materials contain reports, newspaper articles, correspondence, brochures, and publications from 1950 to 2013 collected by Eugene Martin Christiansen as part of his research on gaming. The subjects include legal and illegal gaming, gaming equipment, casino licensing, bankruptcies and lawsuits, internet gaming, Native American gaming, lotteries, significant people and companies in gaming and entertainment, and racing. The series is comprised primarily of newspaper articles and correspondence curated for research on gaming.