Columbia subject headings:
Greece--Economic conditions--20th century.
Greece--Foreign relations--20th century.
Greece--Politics and government--20th century.
International relations--Case studies.
International relations--Economic aspects.
International relations--Philosophy.
Spain--Economic conditions--20th century.
Spain--Foreign relations--20th century.
Spain--Politics and government--20th century.
Harvard subject headings:
Greece--Economic conditions--1918-1974.
Greece--Economic conditions--1974-
Greece--Economic conditions--20th century.
Greece--Foreign relations--20th century.
Greece--Politics and government--20th century.
International relations--Case studies
International relations--Economic aspects.
International relations--Philosophy
Regional economic disparities--Case studies.
Spain--Economic conditions--1918-1975.
Spain--Economic conditions--1975-2008.
Spain--Economic conditions--20th century.
Spain--Foreign relations--1939-1975.
Spain--Foreign relations--1975-
Spain--Foreign relations--20th century.
Spain--Politics and government--20th century.
Princeton subject headings:
Case studies.
Greece--Economic conditions--20th century.
Greece--Foreign relations--20th century.
Greece--Politics and government--20th century.
International relations--Case studies.
International relations--Philosophy.
Spain--Economic conditions--20th century.
Spain--Foreign relations--20th century.
Spain--Politics and government--20th century.