Campbell, John R. The science of animals that serve mankind [by] John R. Campbell [and] John F. Lasley. - New York McGraw-Hill [1969] - xvii, 771 p. illus. 23 cm. - McGraw-Hill publications in the agricultural sciences . "Glossary": p. [671]-733. Bibliographical footnotes. LCCN: 74081603 Subjects--Topical Terms: Livestock LC Class. No.: SF61 / .C22 Dewey Class. No.: 636