Columbia subject headings:
North Atlantic Treaty Organization.
Spain--Foreign relations.
Spain--Military policy.
Spain--Politics and government.
Harvard subject headings:
Spain--Foreign relations.
Spain--Military policy.
Spain--Politics and government--1975-1982.
Princeton subject headings:
National security--Spain.
North Atlantic Treaty Organization--Spain.
Spain--Foreign relations--United States.
Spain--Military policy.
Spain--Politics and government,--1975-.
United States--Foreign relations--Spain.