Columbia subject headings:
Harvard subject headings:
Communication--East Asia--History--Congresses.
East Asia--Commerce--Europe.
East Asia--Commerce--History--Congresses.
East Asia--Commerce--History.
East Asia--Relations--Europe, Western--Congresses.
East Asia--Relations--Europe.
East Asia--Relations--North America--Congresses.
Europe, Western--Relations--East Asia--Congresses.
Europe--Commerce--East Asia.
Europe--Commerce--History.
Europe--Relations--East Asia.
North America--Relations--East Asia--Congresses.
Smuggling--East Asia--History--Congresses.
Social interaction--East Asia--History--Congresses.
Princeton subject headings:
East Asia--Commerce--Europe.
East Asia--Commerce--History.
East Asia--Relations--Europe.
Europe--Commerce--East Asia.
Europe--Commerce--History.
Europe--Relations--East Asia.