Columbia subject headings:
Harvard subject headings:
Germany--Foreign relations--Turkey.
Germany--History--20th century.
Turkey--Foreign relations--Germany.
Turkey--History--20th century.
Princeton subject headings:
Germany--Foreign relations--Turkey--History.
Germany--History--20th century.
Turkey--Foreign relations--Germany--History.
Turkey--History--20th century.
Universität Münster--History--20th century.