Columbia subject headings:
Freedom of the seas.
Malacca, Strait of.
Southeast Asia--Politics and government.
Harvard subject headings:
Malacca, Strait of--International status.
Malacca, Strait of--Strategic aspects.
Singapore Strait--International status.
Singapore Strait--Strategic aspects.
Princeton subject headings:
Malacca, Strait of--International status.
Malacca, Strait of--Strategic aspects.
Singapore Strait--International status.
Singapore Strait--Strategic aspects.