Columbia subject headings:
Art and state--Germany--Bielefeld--History--20th century.
National socialism and art--Exhibitions.
Harvard subject headings:
Art and state--Germany--Exhibitions.
Art, German--Germany--Bielefeld--Exhibitions.
Art, Modern--20th century--Germany--Bielefeld--Exhibitions.
Dissident art--Germany--Exhibitions.
National socialism and art--Exhibitions.
Princeton subject headings: