Columbia subject headings:
Conference on the Limitation of Armament (1921-1922 : Washington, D.C.)
Submarines (Ships)
Harvard subject headings:
Conference on the Limitation of Armament (1921-1922 : Washington, D.C.)
Submarines (Ships)
Princeton subject headings:
Conference on the Limitation of Armament (1921-1922 : Washington, D.C.)
Submarines (Ships)