Columbia subject headings:
Avant-garde (Aesthetics)--Germany--Bielefeld--Exhibitions.
Blaue Reiter (Group of artists)--Exhibitions.
Expressionism (Art)--Germany--Bielefeld--Exhibitions.
Folk art--Germany--Bielefeld--Exhibitions.
Glass underpainting--Germany--Bielefeld--Exhibitions.
Koenig, Hertha, 1884-1976--Art collections--Exhibitions.
Harvard subject headings:
Avant-garde (Aesthetics)--Germany--Bielefeld--Exhibitions.
Blaue Reiter (Group of artists)--Exhibitions.
Expressionism (Art)--Germany--Bielefeld--Exhibitions.
Folk art--Germany--Bielefeld--Exhibitions.
Glass underpainting--Germany--Bielefeld--Exhibitions.
Koenig, Hertha, 1884-1976--Art collections--Exhibitions.
Princeton subject headings:
Art, German--20th century--Exhibitions.
Blaue Reiter (Group of artists)--Exhibitions.
Expressionism (Art)--Germany--Exhibitions.
Glass underpainting--Germany--Exhibitions.
Koenig, Hertha, 1884-1976--Art collections--Exhibitions.