Columbia subject headings:
Harvard subject headings:
China--Boundaries--China--Tibet Autonomous Region--Congresses.
China--Boundaries--Mongolia--Congresses.
China--Relations--China--Tibet Autonomous Region--Congresses.
China--Relations--Mongolia--Congresses.
Princeton subject headings:
China--Boundaries--China--Tibet--Congresses.
China--Boundaries--Mongolia--Congresses.
China--Relations--China--Tibet--Congresses.
China--Relations--Mongolia--Congresses.
Mongolia--Boundaries--China--Congresses.
Mongolia--Relations--China--Congresses.
Tibet Autonomous Region (China)--Boundaries--China--Congresses.
Tibet Autonomous Region (China)--Relations--China--Congresses.