Columbia subject headings:
Harvard subject headings:
Austria--Foreign relations--Turkey--Sources.
Austria--Foreign relations--Turkey.
Balkan Peninsula--Description and travel.
Turkey--Foreign relations--Austria--Sources.
Turkey--Foreign relations--Austria.
Princeton subject headings:
Austria--Foreign relations--Turkey--Sources.
Austria--History--1519-1740--Sources.
Turkey--Foreign relations--Austria--Sources.
Turkey--History--Ottoman Empire, 1288-1918--Sources.