Columbia subject headings:
Harvard subject headings:
Political science--Germany--History--20th century
Political science--Germany--History--21st century.
Political scientists--Germany--20th century--Biography.
Political scientists--Germany--21st century--Biography.
Princeton subject headings:
Political science--Germany--History--20th century.
Political science--Germany--History--21st century.
Political scientists--Germany--20th century--Biography.
Political scientists--Germany--21st century--Biography.