Columbia subject headings:
Art, Modern--20th century.
Fluxus (Group of artists)
Harvard subject headings:
Art, Modern--20th century--Exhibitions
Fluxus (Group of artists)--Exhibitions.
Princeton subject headings:
Art, Modern--20th century.
Avant-garde (Aesthetics)--History--20th century.
Fluxus (Group of artists)--Exhibitions.