Columbia subject headings:
Andre, Carl, 1935---Exhibitions.
Art, Modern--20th century--Exhibitions.
Conceptual art--Exhibitions.
Harvard subject headings:
Andre, Carl, 1935-
Barry, Robert, 1936-
Conceptual art
Huebler, Douglas.
Kosuth, Joseph.
Lewitt, Sol, 1928-2007.
Morris, Robert, 1931-2018
Weiner, Lawrence
Princeton subject headings: