Columbia subject headings:
Europe--Foreign relations--Turkey--History.
Europe--History--1789-1900.
Europe--History--1871-1918.
Turkey--Foreign relations--Europe--History.
Turkey--Politics and government--19th century.
Harvard subject headings:
Europe--Foreign relations--Turkey.
Turkey--Foreign relations--Europe.
Princeton subject headings:
Europe--Foreign relations--Turkey--History.
Turkey--Foreign relations--Europe--History.