Columbia subject headings:
Ambassadors--United States--Biography.
Diplomatic and consular service--United States.
Historians--United States--Biography.
Kennan, George F. (George Frost), 1904-2005.
Soviet Union--Foreign relations--United States.
United States--Foreign relations--Sources.
United States--Foreign relations--Soviet Union.
Harvard subject headings:
Ambassadors--United States--Biography
Diplomats--Biography
Historians--United States--Biography
Kennan, George F. (George Frost), 1904-2005
Soviet Union--Foreign relations--United States.
United States--Foreign relations--Sources.
United States--Foreign relations--Soviet Union.
Princeton subject headings:
Ambassadors--United States--Biography.
Europe--Politics and government--20th century.
Historians--United States--Biography.
Kennan, George F. (George Frost), 1904-2005.
United States--Biography.