Columbia subject headings:
Harvard subject headings:
Germany (West)--Foreign relations.
Germany (West)--Politics and government.
Peaceful change (International relations)
Prime ministers--Germany (West)--Biography.
Schmidt, Helmut, 1918-2015.
Princeton subject headings:
Germany (West)--Politics and government--1945-1990.
Prime ministers--Germany (West)--Biography.
Schmidt, Helmut, 1918-2015.