Columbia subject headings:
Harvard subject headings:
Classicists--Germany--Biography--Congresses.
Droysen, Johann Gustav, 1808-1884--Criticism and interpretation--Congresses.
Germany--Historiography--Congresses.
Historians--Germany--Biography--Congresses.
History--Philosophy--Biography--Congresses.
Philologists--Germany--Biography--Congresses.
Politicians--Germany--Biography--Congresses.
Prussia (Germany)--Historiography--Congresses.
Princeton subject headings:
Classicists--Germany--Biography--Congresses.
Droysen, Johann Gustav, 1808-1884--Criticism and interpretation--Congresses.
Germany--Historiography--Congresses.
Historians--Germany--Biography--Congresses.
History--Philosophy--Biography--Congresses.
Philologists--Germany--Biography--Congresses.
Politicians--Germany--Biography--Congresses.
Prussia (Germany)--Historiography--Congresses.