Columbia subject headings:
Ambassadors--United States--Biography.
Historians--United States--Biography.
Kennan, George F. (George Frost), 1904-2005.
Soviet Union--Foreign relations--United States.
United States--Foreign relations--Soviet Union.
Harvard subject headings:
Ambassadors--United States--Biography
Historians--United States--Biography
Kennan, George F. (George Frost), 1904-2005
Soviet Union--Foreign relations--United States.
United States--Foreign relations--Soviet Union.
Princeton subject headings: