Productive sheep husbandry Coffey, Walter Castella, 1876-1956 creator text book Philadelphia J.B. Lippincott company [1918] 1918
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ENG Sheep SF375 .C65 Lippincott's farm manuals Lippincott's farm manuals, ed. by K. C. Davis https://www.biodiversitylibrary.org/bibliography/42175 2889313 18023270 10.5962/bhl.title.42175 DLC