Columbia subject headings:
Arts, German--Germany--Bonn--Exhibitions.
Bonn (Germany)--Intellectual life--Exhibitions.
Harvard subject headings:
Art patronage--Germany--Bonn--History--18th century--Exhibitions.
Art patronage--Germany--Bonn--History--19th century--Exhibitions.
Arts, Modern--18th century--Exhibitions.
Arts, Modern--18th century--Germany--Bonn--Exhibitions.
Arts, Modern--19th century--Exhibitions.
Arts, Modern--19th century--Germany--Bonn--Exhibitions.
Romanticism in art--Exhibitions
Romanticism in art--Germany--Bonn--Exhibitions.
Princeton subject headings:
Arts, Modern--Germany (West)--Bonn--Exhibitions.
Bonn (Germany)--Intellectual life--Exhibitions.