Columbia subject headings:
Harvard subject headings:
Europe--Politics and government--1918-1945.
Soviet Union--Foreign relations--1917-1945.
Soviet Union--Foreign relations--United States.
Soviet Union--Politics and government--1936-1953.
United States--Foreign relations--Soviet Union.
Princeton subject headings:
Europe--Politics and government--1918-1945.
Soviet Union--Foreign relations--1917-1945.
Soviet Union--Foreign relations--United States.
Soviet Union--Politics and government--1936-1953.
United States--Foreign relations--Soviet Union.