Mason, I. L. A world dictionary of livestock breeds, types, and varieties / by I.L. Mason. - 3rd rev. ed. - Wallingford, Oxon, UK : CAB International, 1988. - xx, 348 p. ; Spine title: World dictionary of livestock breeds. ISBN: 085198617X Subjects--Topical Terms: Livestock breeds--Dictionaries. LC Class. No.: SF105 / .M34 1988 Dewey Class. No.: 636/.003