Columbia subject headings:
Art, Modern--Exhibitions.
Documenta.
Harvard subject headings:
Art, Modern--20th century--Exhibitions
Art, Modern--21st century--Exhibitions
Documenta (Exhibition)--History.
Documenta--History.
Exhibitions--Germany--Kassel--History.
Princeton subject headings:
Art, Modern--20th century--Exhibitions.
Art, Modern--21st century--Exhibitions.
Documenta--History.
Exhibitions--Germany--Kassel--History.