Columbia subject headings:
History--Philosophy.
History--Study and teaching--Germany.
Ranke, Leopold von, 1795-1886.
Harvard subject headings:
History--Philosophy
History--Study and teaching--Germany
Ranke, Leopold von, 1795-1886.
Princeton subject headings:
History--Philosophy.
History--Study and teaching--Germany.
Ranke, Leopold von, 1795-1886.