https://www.lotusgemology.com/resources/4-treasures-reference-database/26659
Portuguese Empire in Asia | 1500–1700 | A Political and Economic History | Four Treasures Reference...
Subrahmanyam, S. 2012. Portuguese Empire in Asia | 1500–1700 | A Political and Economic History. Four Treasures Reference Database, Lotus Gemology.
portuguese empirein asiaeconomic historyfour treasurespolitical