Dist of Columbia April 1949 casesButts v. Sears, Roebuck & Co.District of Columbia Cit. P. Co. v. Merchants Mfr. Ass'nHood v. Defense Homes Corp.Chow Kau v. ClarkUnited States v. United States Savings & Loan LeagueInternational Workers Order v. ClarkDouffas v. JohnsonHeckman v. HeckmanUnited States v. E. I. Du Pont De Nemours & Co.