Columbia subject headings:
Blaue Reiter (Group of artists)
Blaue Reiter (Group of artists)--History--Sources.
Expressionism (Art)--Germany--History--Sources.
Harvard subject headings:
Blaue Reiter (Group of artists)
Blaue Reiter (Group of artists)--History--Sources.
Expressionism (Art)--Germany--History--Sources.
Princeton subject headings:
Blaue Reiter (Group of artists)
Expressionism (Art)--Germany.
Expressionism (Art)--History.