Columbia subject headings:
Harvard subject headings:
Art, German--Germany--Rhineland--Exhibitions.
Art, Modern--20th century--Germany--Rhineland--Exhibitions.
Arts, German--Germany--Düsseldorf Region--20th century--Exhibitions.
Junge Rheinland (Association)--Exhibitions.
Rhineland (Germany)--Intellectual life--Exhibitions.
Princeton subject headings:
Arts, German--Germany (West)--Düsseldorf Region--Exhibitions.
Arts, Modern--20th century--Germany (West)--Düsseldorf Region--Exhibitions.
Junge Rheinland (Association)--Exhibitions.