Columbia subject headings:
Art--Private collections--Exhibitions--Germany--Düsseldorf.
Johann Wilhelm, Elector Palatine, 1658-1716--Art collections--Exhibitions.
Johann Wilhelm, Elector Palatine, 1658-1716--Art patronage--Exhibitions.
Painting, European--17th century--Exhibitions.
Painting, European--18th century--Exhibitions.
Painting, European--Exhibitions.
Harvard subject headings:
Art--Private collections--Germany--Düsseldorf--Exhibitions.
Johann Wilhelm, Elector Palatine, 1658-1716--Art collections--Exhibitions.
Johann Wilhelm, Elector Palatine, 1658-1716--Art patronage--Exhibitions.
Painting, European--17th century--Exhibitions.
Painting, European--18th century--Exhibitions.
Painting, European--Exhibitions.
Princeton subject headings:
Art--Private collections--Germany--Düsseldorf--Exhibitions.
Johann Wilhelm, Elector Palatine, 1658-1716--Art patronage--Exhibitions.