Columbia subject headings:
East Asia--Commerce--History.
Navigation--East Asia--History.
Shipping--East Asia--History.
Harvard subject headings:
East Asia--Commerce--History--Congresses.
East Asia--Commerce--History.
East Asia--Relations--Congresses.
Merchant marine--Arab countries--Congresses.
Merchant marine--East Asia--History--Congresses.
Navigation--East Asia--History.
Shipping--East Asia--History.
Princeton subject headings:
East Asia--Commerce--History.
Navigation--East Asia--History.
Shipping--East Asia--History.