Columbia subject headings:
Harvard subject headings:
India--Foreign relations--1947-1984.
India--Foreign relations--1984-
India--Foreign relations--Sri Lanka.
Sri Lanka--Ethnic relations
Sri Lanka--Foreign relations--India.
Tamil (Indic people)--Sri Lanka--Politics and government.
Princeton subject headings:
India--Foreign relations--1947-1984.
India--Foreign relations--1984-
India--Foreign relations--Sri Lanka.
Sri Lanka--Ethnic relations.
Sri Lanka--Foreign relations--India.
Tamil (Indic people)--Sri Lanka--Politics and government.