Columbia subject headings:
Erhard, Ludwig.
Germany (West)--Foreign relations.
Germany (West)--Politics and government--1945-1990.
Heads of state--Germany--Biography.
Harvard subject headings:
Erhard, Ludwig.
Germany (West)--Politics and government--1945-1990.
Germany--Foreign relations--20th century.
Heads of state--Germany--Biography.
Princeton subject headings:
Erhard, Ludwig.
Germany (West)--Foreign relations.
Germany (West)--Politics and government--1945-1990.
Heads of state--Germany--Biography.