Cramer, Gail L. creator Jensen, Clarence W. Southgate, Douglas DeWitt. text New York c2001 8th ed. monographic xx, 519 pages : Illustrations ; Includes index. Agriculture - economic aspects Agriculture - economic aspects - United States Agricultural industries Agricultural industries - United States HD 1415 CRA 0471388475 (cloth : alk. paper) http://www.loc.gov/catdir/bios/wiley046/00043401.html http://www.loc.gov/catdir/description/wiley0310/00043401.html http://www.loc.gov/catdir/toc/onix06/00043401.html http://www.loc.gov/catdir/bios/wiley046/00043401.html http://www.loc.gov/catdir/description/wiley0310/00043401.html http://www.loc.gov/catdir/toc/onix06/00043401.html