Columbia subject headings:
China.
Disarmament.
Gases, Asphyxiating and poisonous.
Islands of the Pacific.
Submarines (Ships)
Tariff--China.
Harvard subject headings:
China
Disarmament
Gases, Asphyxiating and poisonous.
Islands of the Pacific.
Submarines (Ships)
Tariff--China.
Princeton subject headings: