Columbia subject headings:
Blue in art--Exhibitions.
Painting, Modern--20th century--Exhibitions.
Painting, Modern--21st century--Exhibitions.
Harvard subject headings:
Blue in art--Exhibitions.
Painting, Modern--20th century--Exhibitions
Painting, Modern--21st century--Exhibitions.
Princeton subject headings:
Blue in art--Exhibitions.
Painting, Modern--20th century--Exhibitions.
Painting, Modern--21st century--Exhibitions.