Roderich Ptak and Dietmar Rothermund (ed.): Emporia, commodities, and entrepreneurs in Asian maritime trade, c. 1400–1750. xi, 509 pp. (Beitrage zur Sudasienforschung ‘Heidelberg’, Nr. 13.) Stuttgart: Franz Steiner Verlag, 1991. DM 102.Karl Reinhold Haellquist (ed.): Asian trade routes, continental and maritime, xi, 292 pp. (Studies on Asian topics, no. 13.) London: Curzon Press; for the Scandinavian Institute of Asian Studies, Copenhagen, 1991.