O'Mary, C. C. Commercial beef cattle production / edited by C.C. O'Mary and Irwin A. Dyer. - Philadelphia : Lea & Febiger, 1972. Includes bibliographies. ISBN: 0812103831 LCCN: 75175465 Subjects--Topical Terms: Beef cattle. LC Class. No.: SF207 / .O5 Dewey Class. No.: 636.2/1/3