Columbia subject headings:
Painting, Abstract--Exhibitions.
Painting, Modern--19th century--Exhibitions.
Painting, Modern--20th century--Exhibitions.
Harvard subject headings:
Painting, Abstract--Exhibitions.
Painting, Modern--19th century--Exhibitions
Painting, Modern--20th century--Exhibitions
Princeton subject headings:
Painting, Abstract--Exhibitions.
Painting, Modern--19th century--Exhibitions.
Painting, Modern--20th century--Exhibitions.