Columbia subject headings:
Nanjing Xian (China)--Commerce--History.
Zhangzhou Shi (China)--Commerce--History.
Harvard subject headings:
China--Foreign economic relations.
Nanjing Xian (China)--Commerce--History.
Porcelain, Chinese--China--Nanjing Xian--Ming-Qing dynasties, 1368-1912.
Princeton subject headings:
Nanjing Xian (China)--Commerce--History.
Zhangzhou Shi (China)--Commerce--History.