TY - BOOK AU - John R. Campbell AU - John F. Lasley, TI - Science of animals that serve humanity. Ed 3 SN - 0-07-009700-3 U1 - 636 PY - 1955/// CY - New York PB - McGraw Hill Book Co. N1 - John R. Campbell & John F. Lasley: Science of animals that serve humanity. Ed 3. (3rd Edition.) New York. McGraw Hill Book Co., 1955. 0-07-009700-3--(636CAM) ER -