The Craig, G. M. text Oxford New York Oxford University Press 1991 monographic xiii, 468 p. : ill., maps ; 24 cm. edited by G.M. Craig. Includes bibliographical references and index. f-sj--- Agriculture Sudan S473.S7 A49 1990 338.1/09624 0198592108 : 90021423 http://www.loc.gov/catdir/enhancements/fy0636/90021423-d.html http://www.loc.gov/catdir/enhancements/fy0636/90021423-t.html http://www.loc.gov/catdir/enhancements/fy0636/90021423-d.html http://www.loc.gov/catdir/enhancements/fy0636/90021423-t.html UOEL 000 20170822153107.0 4360898