Columbia subject headings:
Black Sea--Strategic aspects.
Bosporus (Turkey)--Strategic aspects.
Dardanelles Strait (Turkey)--Strategic aspects.
Straits question--History.
Turkey--Foreign relations--1918-1960.
World War, 1939-1945--Turkey.
Harvard subject headings:
Black Sea--Strategic aspects.
Bosporus (Turkey)--Strategic aspects.
Dardanelles Strait (Turkey)--Strategic aspects.
Straits question--History.
Turkey--Foreign relations--1918-1960.
World War, 1939-1945--Turkey.
Princeton subject headings:
Black Sea--Strategic aspects.
Bosporus (Turkey)--Strategic aspects.
Dardanelles Strait (Turkey)--Strategic aspects.
Straits question--History.
Turkey--Foreign relations--1918-1960.
World War, 1939-1945--Turkey.