Columbia subject headings:
Referendum--Western Sahara.
United Nations--Western Sahara--Sanctions.
Western Sahara--Politics and government--1975-
Harvard subject headings:
Referendum--Western Sahara.
United Nations--Western Sahara--Sanctions.
Western Sahara--Politics and government--1975-
Princeton subject headings:
Referendum--Western Sahara.
United Nations--Western Sahara--Sanctions.
Western Sahara--Politics and government--1975-