Columbia subject headings:
China--Foreign relations--Sri Lanka.
India--Foreign relations.
Sri Lanka--Foreign relations--China.
Harvard subject headings:
China--Foreign relations--1949-1976.
China--Foreign relations--1976-
China--Foreign relations--Sri Lanka.
India--Foreign relations--1947-1984.
Sri Lanka--Foreign relations--China.
Princeton subject headings:
China--Foreign relations--Sri Lanka.
India--Foreign relations.
Sri Lanka--foreign relations--China.