Columbia subject headings:
Harvard subject headings:
Art, German--Exhibitions.
Art, Modern--20th century--Germany--Exhibitions.
Artists--Germany--Biography.
Expressionism (Art)--Germany--Exhibitions
Princeton subject headings:
Art, German--20th century--Exhibitions.
Art, Modern--20th century--Austria--Exhibitions.
Expressionism (Art)--Exhibitions.
Portraits, Austrian--Exhibitions.
Portraits, German--Exhibitions.