Columbia subject headings:
Alexander I, Emperor of Russia, 1777-1825.
Balkan Peninsula--History.
Napoleon I, Emperor of the French, 1769-1821.
Russo-Turkish War, 1806-1812.
Harvard subject headings:
Princeton subject headings:
Alexander I, Emperor of Russia, 1777-1825.
Balkan Peninsula--History.
Napoleon I, Emperor of the French, 1769-1821.
Russo-Turkish War, 1806-1812.