Columbia subject headings:
Art and society--Exhibitions.
Art, Modern--20th century--Exhibitions.
Art, Modern--21st century--Exhibitions.
Art--Political aspects--Exhibitions.
Art--Spain--Madrid--Exhibitions.
Harvard subject headings:
Art, Modern--21st century--Exhibitions
Art--Political aspects--Exhibitions.
Conceptual art--21st century--Exhibitions.
Exhibition catalogs.
Knowledge, Sociology of--Exhibitions.
Princeton subject headings: