Columbia subject headings:
Asia--Commerce--History.
Asia--Relations.
Communication and traffic--Asia--History.
Communication and traffic--Japan--History.
Japan--Commerce--History.
Harvard subject headings:
Asia--Commerce--History.
Asia--Relations--Foreign countries.
Communication and traffic--Asia--History.
Communication and traffic--Japan--History
Japan--Commerce--History.
Princeton subject headings:
Asia--Commerce--History.
Asia--Relations--Foreign countries.
Communication and traffic--Asia--History.
Communication and traffic--Japan--History.
Japan--Commerce--History.