Columbia subject headings:
Art, German--19th century--Exhibitions.
Art, German--20th century--Exhibitions.
Art, German--Exhibitions.
Forests and forestry--Germany--Pictorial works--Exhibitions.
Forests in art--Exhibitions.
Harvard subject headings:
Art, German--19th century--Exhibitions.
Art, German--20th century--Exhibitions.
Art, German--Exhibitions.
Art, Modern--19th century--Germany--Exhibitions.
Art, Modern--20th century--Germany--Exhibitions.
Forests and forestry--Germany--Pictorial works--Exhibitions.
Forests in art--Exhibitions.
Princeton subject headings:
Art, German--20th century--Exhibitions.
Art, German--Exhibitions.
Art, Modern--19th century--Germany--Exhibitions.
Forests and forestry--Germany--Pictorial works--Exhibitions.
Forests in art--Exhibitions.