Columbia subject headings:
Harvard subject headings:
Europe--Foreign relations--Turkey--Early works to 1800.
Turkey--Foreign relations--Europe--Early works to 1800.
Turkey--History--Ottoman Empire, 1288-1918--Relations--Europe.
Princeton subject headings:
Europe--Foreign relations--Turkey--Early works to 1800.
Turkey--Foreign relations--Europe--Early works to 1800.
Turkey--History--Ottoman Empire, 1288-1918--Relations--Europe.