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