Ponting, Kenneth G. Sheep of the world / Kenneth Ponting. - Poole, [Eng.] : New York : Blandford Press ; distributed by Sterling Pub. Co., 1980. - 155 p. : ill. (some col.) ; 20 cm. Distributor from label on t.p. Includes index. Bibliography: p. 142. ISBN: 0713709413 Subjects--Topical Terms: Sheep. Sheep breeds. Dewey Class. No.: 636.31 PON