Columbia subject headings:
Harvard subject headings:
China--Economic conditions--1644-1912--Sources.
China--History--Qing dynasty, 1644-1912--Sources.
Guangdong Sheng (China)--Commerce--History.
Hong Kong (China)--Commerce--History..
Macau (China : Special Administrative Region)--Commerce--History.
Princeton subject headings:
China--Economic conditions--1644-1912--Sources.
China--History--Qing dynasty, 1644-1912--Sources.
Guangdong Sheng (China)--Commerce--History.
Hong Kong (China)--Commerce--History..
Macau (China : Special Administrative Region)--Commerce--History.