Columbia subject headings:
Germany--Politics and government--1945-1990.
Kopf, Hinrich Wilhelm, 1893-1961.
Politicians--Germany--Biography.
Harvard subject headings:
Germany--Politics and government--1945-1990.
Kopf, Hinrich Wilhelm, 1893-1961.
Lower Saxony (Germany)--Politics and government--20th century.
Politicians--Germany--Biography
Prime ministers--Germany--Lower Saxony--Biography.
Princeton subject headings:
Kopf, Hinrich Wilhelm, 1893-1961.
Lower Saxony (Germany)--Politics and government--20th century.
Prime ministers--Germany--Lower Saxony--Biography.