You searched for: Issue Dates June 1948 Remove constraint Issue Dates: June 1948 Product Keywords butter Remove constraint Product Keywords: butter Collections Foods, 1940-1966 Remove constraint Collections: Foods, 1940-1966 Defendants Swift & Co. Remove constraint Defendants: Swift & Co. Titles 11362. Adulteration of butter. U. S. v. 103 Cases. Remove constraint Titles: 11362. Adulteration of butter. U. S. v. 103 Cases.