Columbia subject headings:
Bosporus (Turkey)--International status--History.
Dardanelles Strait (Turkey)--International status--History.
Marmara, Sea of (Turkey)--International status--History.
Russia--Foreign relations.
Straits question--History.
Harvard subject headings:
Bosporus (Turkey)--International status--History.
Dardanelles Strait (Turkey)--International status--History.
Marmara, Sea of (Turkey)--International status--History.
Russia--Foreign relations.
Straits question--History.
Princeton subject headings:
Bosporus (Turkey)--International status--History.
Dardanelles Strait (Turkey)--International status--History.
Marmara, Sea of (Turkey)--International status--History.
Straits question--History.