Warwick, Everett James. Breeding and improvement of farm animals / Everett James Warwick, James Edward Legates. - 7th edition. - New York : McGraw-Hill Book Company, c1979. - xv, 624 pages : illustrations ; 24 cm. - McGraw-Hill publications in the agricultural sciences . Sixth ed, by V. A. Rice. Includes bibliographies and index. ISBN: 0070683751 LCCN: 78007882 Subjects--Topical Terms: Livestock improvement.Livestock--Breeding.Livestock--Genetics. LC Class. No.: SF105 / .R5 1979 Dewey Class. No.: 636.08/2