Columbia subject headings:
Art, German--Germany--Düsseldorf--History.
Art--Germany--Düsseldorf--Societies, etc.--History.
Künstlerverein Malkasten--History.
Harvard subject headings:
Art--Germany--Düsseldorf--History.
Künstlerverein Malkasten.
Princeton subject headings:
Art--Germany--Düsseldorf--History.
Künstlerverein Malkasten.