Campbell, John R., 1933- 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. ISBN: 070096961 LCCN: 74081603 Subjects--Topical Terms: Livestock. LC Class. No.: SF 61