Columbia subject headings:
Arts, Modern--20th century--Exhibitions.
Arts, Modern--21st century--Exhibitions.
Forests in art--Exhibitions.
Nature in art--Exhibitions.
Harvard subject headings:
Arts, Modern--20th century--Exhibitions
Arts, Modern--21st century--Exhibitions.
Forests in art--Exhibitions.
Nature in art--Exhibitions
Princeton subject headings:
Art, Modern--20th century--Exhibitions.
Art, Modern--21st century--Exhibitions.
Art--Political aspects--Exhibitions.
Forests in art--Exhibitions.