Columbia subject headings:
European Economic Community--Germany.
European federation.
Germany--Politics and government--20th century.
Groeben, Hans von der, 1907-2005.
Statesmen--Germany--Biography.
Harvard subject headings:
European Economic Community--History.
Germany--History--20th century.
Groeben, Hans von der, 1907-2005.
Princeton subject headings:
European Economic Community--Germany.
European federation.
Germany--Politics and government--20th century.
Groeben, Hans von der, 1907-2005.
Statesmen--Germany--Biography.