Columbia subject headings:
Harvard subject headings:
Capitalism--History
Consuls--History.
Diplomatic and consular service--Economic aspects--History.
Economic history--1750-1918
Imperialism--History
International economic relations--History
International trade--History
Princeton subject headings:
Capitalism--Political aspects.
Diplomatic and consular service--Influence.
Economic history--1750-1918.
Imperialism--Economic aspects.