Cooper, Malcolm McGregor, 1910- Profitable sheep farming / M. McG. Cooper and R. J. Thomas. - 4th (revised) ed. - Ipswich : Farming Press, 1979. - 164 p., [8] p. of plates : ill. ISBN: 0852360525 : 3.00 Nat. Bib. No.: GB75-06849 Subjects--Topical Terms: Sheep. LC Class. No.: SF375 / .C685 Dewey Class. No.: 636.3/08/0941