Columbia subject headings:
Balkan Peninsula--Economic conditions.
Balkan Peninsula--Politics and government.
Europe, Central--Economic conditions.
Europe, Central--Politics and government.
Turkey--History--Ottoman Empire, 1288-1918.
Harvard subject headings:
Balkan Peninsula--Economic conditions.
Balkan Peninsula--Politics and government.
Turkey--History--Ottoman Empire, 1288-1918.
Princeton subject headings:
Balkan Peninsula--Economic conditions.
Balkan Peninsula--Politics and government.
Europe, Central--Economic conditions.
Europe, Central--Politics and government.
Turkey--History--Ottoman Empire, 1288-1918.