Cook, Harold J.. Matters of exchange : commerce, medicine and science in the age of empire / by Harold J. Cook. - / . - New Delhi : Orient Longman , 2007. - 562p. : figures ; 24cm 1 CD . Includes index ISBN: 9788125033660 RS700.00 Subjects--Index Terms: COMMERCE Dewey Class. No.: 509.49209032 / COO/M