Columbia subject headings:
Harvard subject headings:
Hamburg (Germany)--History--Exhibitions.
Hamburg (Germany)--Intellectual life--Exhibitions.
Voght, C. (Caspar), Freiherr von, 1752-1839--Exhibitions.
Princeton subject headings:
Hamburg (Germany)--History--Exhibitions.
Voght, C. (Caspar), Freiherr von, 1752-1839--Exhibitions.