Columbia subject headings:
Europe--Foreign relations--Turkey--History.
Turkey--Foreign relations--Europe--History.
Turkey--History--Ottoman Empire, 1288-1918.
Harvard subject headings:
Europe--Foreign relations--Turkey.
Turkey--Foreign relations--Europe.
Turkey--History--Ottoman Empire, 1288-1918.
Princeton subject headings:
Europe--Foreign relations--Turkey.
Turkey--Foreign relations--Europe.
Turkey--History--Ottoman Empire, 1288-1918.