Columbia subject headings:
Art, Modern--21st century--Exhibitions.
Art--Economic aspects--Exhibitions.
Money in art--Exhibitions.
Harvard subject headings:
Art, Modern--20th century--Exhibitions
Art, Modern--21st century--Exhibitions
Art--Economic aspects
Art--Marketing
Princeton subject headings:
Art, Modern--20th century--Exhibitions.
Art, Modern--21st century--Exhibitions.
Art--Economic aspects.
Art--Marketing.