Columbia subject headings:
China--Foreign relations--Vietnam.
Sino-Vietnamese Conflict, 1979.
Vietnam--Foreign relations--China.
Harvard subject headings:
China--Foreign relations--Vietnam.
Sino-Vietnamese Conflict, 1979.
Vietnam--Foreign relations--China.
Princeton subject headings:
China--Foreign relations--Vietnam.
Sino-Vietnamese Conflict, 1979.
Vietnam--Foreign relations--China.