Columbia subject headings:
Neutrality--Newly independent states.
Neutrality.
Regionalism (International organization)
Sri Lanka--Foreign relations.
Harvard subject headings:
Neutrality.
Newly independent states--Neutrality.
Newly independent states.
Regionalism (International organization)
Sri Lanka--Foreign relations.
Princeton subject headings:
Neutrality.
Newly independent states--Neutrality.
Regionalism (International organization)
Sri Lanka--Foreign relations.