Columbia subject headings:
Art, Modern--20th century--Exhibitions.
Art, Modern--21st century--Exhibitions.
Harvard subject headings:
Painting, Modern--20th century--Themes, motives--Exhibitions.
Painting, Modern--21st century--Themes, motives--Exhibitions.
Princeton subject headings:
Art, Modern--20th century--Exhibitions.
Art, Modern--21st century--Exhibitions.