Ensminger, M. Eugene. Swine science / by M. E. Ensminger. - 4th ed. - Danville, Ill : Interstate Printers & Publishers, [1970]. - 881 p. illus 24 cm. - His Animal agriculture series . First ed. published in 1952 under title: Swine husbandry Includes bibliographies LCCN: 6821886 Subjects--Topical Terms: Swine.Swine--United States. Dewey Class. No.: 636.4