Columbia subject headings:
Harvard subject headings:
Greece--Foreign relations.
Greece--History.
Russia--Foreign relations--Turkey.
Russo-Turkish War, 1828-1829
Turkey--Civilization.
Turkey--Foreign relations--Russia.
Princeton subject headings:
Greece--Foreign relations.
Greece--History.
Russia--Foreign relations--Turkey.
Russo-Turkish War, 1828-1829.
Turkey--Civilization.
Turkey--Foreign relations--Russia.