Columbia subject headings:
Soviet Union--Foreign relations--United States.
United States--Foreign relations--Soviet Union.
World War, 1939-1945--Soviet Union.
World War, 1939-1945.
Harvard subject headings:
Soviet Union--Foreign relations--United States.
United States--Foreign relations--Soviet Union.
World War, 1939-1945--Soviet Union.
World War, 1939-1945.
Princeton subject headings: