You searched for: Issue Dates August 1948 Remove constraint Issue Dates: August 1948 Collections Foods, 1940-1966 Remove constraint Collections: Foods, 1940-1966 Defendants Swift & Co. Remove constraint Defendants: Swift & Co. Titles 11884. Adulteration of butter. U. S. v. 399 Cases. Remove constraint Titles: 11884. Adulteration of butter. U. S. v. 399 Cases.