Columbia subject headings:
Harvard subject headings:
Coudenhove-Kalergi, Richard Nicolaus, Graf von, 1894-1972.
Europe--Politics and government.
European federation
Internationalists--Austria--Biography.
Princeton subject headings:
Ambassadors--Europe--Biography.
Coudenhove-Kalergi, Richard Nicolaus, Graf von, 1894-1972--Influence.
Coudenhove-Kalergi, Richard Nicolaus, Graf von, 1894-1972.
European federation--History.