Columbia subject headings:
Harvard subject headings:
Arms transfers--United States--History--20th century.
Defense industries--United States--History--20th century.
Military assistance, American--History--20th century.
Military weapons--United States--History--20th century.
United States--Foreign relations--20th century.
United States--Military relations--Foreign countries.
Princeton subject headings:
Arms transfers--United States--History--20th century.
Military assistance, American--History--20th century.
United States--Foreign relations--20th century.
United States--Military relations--Foreign countries.