Goodwin, Derek H. The production and management of sheep: a practical guide for farmers and students [by] Derek H. Goodwin. - London, Hutchinson Educational, 1971. - 207 p., 5 plates. illus., forms, plans. 23 cm. Includes bibliographical references ( p. 205-207 ) ISBN: 0091073103 Subjects--Topical Terms: Sheep.Sheep--Great Britain. LC Class. No.: SF375 / G66 1971