Columbia subject headings:
Erhard, Ludwig.
Germany (West)--Politics and government.
Heads of state--Germany--Biography.
Harvard subject headings:
Erhard, Ludwig.
Germany (West)--Politics and government.
Heads of state--Germany (West)--Biography.
Heads of state--Germany--Biography.
Princeton subject headings:
Erhard, Ludwig.
Germany (West)--Politics and government.
Heads of state--Germany--Biography.