Materials contain reports written by academics and consultants about gaming from 1950 to 2012 collected by Eugene Martin Christiansen. The reports generally pertain to gambling’s economic effects, legalization, taxation, and potential patrons. The reports cover such topics as economic feasibility of new gaming establishments, tax evasion and revenue, sports betting, horse and dog racing, social impacts of gambling, and problem gambling. The materials include reports from consulting firms such as Killingsworth Associates, De Seve Economics Associates, Abt Associates Inc., and Peat, Marwick, Mitchell, and Co.