Columbia subject headings:
Harvard subject headings:
Balkan Peninsula--History.
Caradja, Jean.
Greece--History--1453-1821--Correspondence.
Greece--History--1453-1821--Foreign relations--Russia.
Greece--History--1453-1821--Sources.
Russia--Foreign relations--Turkey.
Stroganov, Grigoriĭ Aleksandrovich, graf, 1770-1857
Turkey--Foreign relations--Russia.
Princeton subject headings:
Eastern question (Balkan)
Karatzas, Iōannēs Geōrgiou--Correspondence.
Russia--Foreign relations--Turkey.
Stroganov, Grigoriĭ Aleksandrovich, graf, 1770-1857--Correspondence.
Turkey--Foreign relations--Russia.