U.S. Supreme Court March 1949 casesBlack Diamond v. Stewart SonsKrulewitch v. United StatesU.S. v. Women's Sportswear AssnOklahoma Tax Comm'n v. Texas Co.New York v. SaperCommissioner v. PhippsFoley Bros. v. FilardoAlgoma Plywood Co. v. Wis. BoardStainback v. Mo Hock Ke Lok PoNational Carbide Corp. v. Comm'r