Animal health : 1984 yearbook of agriculture / United State Department of Agriculture. US agriculture in a global economy. United State Department of Agriculture. Agriculture Economic aspects United States. Produce trade United States. Agriculture Economic aspects. Produce trade. 380.141 UNI Cover title. Shipping list no.: 85-1180-P Includes index. S/N 001-000-04452-4 Item 17 Washington, D.C. : U.S. Dept. of Agriculture ; For sale by the Supt. of Docs., U.S. G.P.O., 1984. 1984. 1984 Text xli, 646 p. : eng United States. United States.