Columbia subject headings:
Arts, German--20th century.
Avant-garde (Aesthetics)--Germany.
Experimental theater--Germany--20th century.
Germany--Civilization--20th century--History.
Germany--History--1918-1933.
Germany--Intellectual life--20th century.
Germany--Social life and customs--20th century.
Modernism (Art)--Germany.
Nineteen twenties.
Harvard subject headings:
Arts, German--20th century.
Princeton subject headings:
Arts, German--20th century.