You searched for: Issue Dates June 1952 Remove constraint Issue Dates: June 1952 Product Keywords butter Remove constraint Product Keywords: butter Collections Foods, 1940-1966 Remove constraint Collections: Foods, 1940-1966 Defendants Armour & Co. Remove constraint Defendants: Armour & Co. Titles 17911. Adulteration of butter. U. S. v. 65 Cases. Remove constraint Titles: 17911. Adulteration of butter. U. S. v. 65 Cases.