Columbia subject headings:
National security--United States--History--Sources.
Soviet Union--Foreign relations--United States--Sources.
United States--Foreign relations--1945-1953--Sources.
United States--Foreign relations--Soviet Union--Sources.
Harvard subject headings:
National security--United States--History--Sources.
Soviet Union--Foreign relations--United States--Sources.
United States--Foreign relations--1945-1953--Sources.
United States--Foreign relations--Soviet Union--Sources.
Princeton subject headings:
National security--United States--History--Sources.
Soviet Union--Foreign relations--United States--Sources.
United States--Foreign relations--1945-1953--Sources.
United States--Foreign relations--Soviet Union--Sources.