Columbia subject headings:
International relations--History--20th century.
Turkey--Foreign relations--1918-1960.
Turkey--Politics and government--20th century.
World politics--20th century.
Harvard subject headings:
International relations--20th century.
Turkey--Foreign relations--20th century.
World politics--20th century
Princeton subject headings:
International relations--History--20th century.
Turkey--Foreign relations--20th century.
World politics--20th century.