Campbell, John R. The science of animals that serve mankind / John R. Campbell, John F. Lasley. - 2nd edition. - New York : McGraw-Hill Book Company, c1975. - xix, 732 pages : illustrations ; 25 cm. - McGraw-Hill publications in the agricultural sciences . Includes bibliographical references and index. ISBN: 0070096961 LCCN: 75006715 Subjects--Topical Terms: Livestock. LC Class. No.: SF61 / .C22 1975 Dewey Class. No.: 636