Columbia subject headings:
Europe--Historiography--Congresses.
Historians--Germany--Congresses.
Schlözer, August Ludwig von, 1735-1809--Congresses.
Harvard subject headings:
Europe--Historiography--Congresses.
Germany--Historiography--Congresses.
Historians--Germany--Biography
Historians--Germany--Congresses.
Political science--History--Congresses
Schlözer, August Ludwig von, 1735-1809--Congresses.
Princeton subject headings: