Columbia subject headings:
Art, German--20th century--Exhibitions--Bibliography.
Art, German--20th century--History--Bibliography.
Art, German--Germany--Exhibitions--Bibliography.
Exhibitions--Germany--Bibliography.
Harvard subject headings:
Art, German--20th century--Exhibitions--Bibliography.
Artists--Germany--Biography.
Princeton subject headings:
Art, German--20th century--Exhibitions--Bibliography.
Artists--Germany--Biography.