Columbia subject headings:
Harvard subject headings:
Soviet Union--Foreign relations--1917-1945.
Soviet Union--Relations--United States.
United States--Foreign relations--1933-1945.
United States--Relations--Soviet Union.
World War, 1939-1945--Diplomatic history.
Princeton subject headings:
Soviet Union--Relations--United States.
United States--Relations--Soviet Union.
World War, 1939-1945--Europe--Diplomatic history.