Darrac, Pierre-Paul Global Blue : Indigo and Espionage in colonial Bengal / Pierre-Paul Darrac and Willem van Schendel - Dhaka : University Press Limited , 2006 - viii, 112p. : ill. ; 20 cm. Includes index. ISBN: 9840517406 Subjects--Topical Terms: Industrial productivityEspionageIndigo cultivation Dewey Class. No.: 338.8 / DAR