Columbia subject headings:
Harvard subject headings:
Art and society--Germany--History--20th century--Congresses.
Art, German--History--20th century--Congresses.
Art--Germany--History--20th century--Congresses.
Art--Historiography--Congresses
Princeton subject headings:
Art and society--Germany--History--20th century--Congresses.
Art, German--20th century--Congresses.