Columbia subject headings:
Twombly, Cy, 1928-2011--Exhibitions.
Harvard subject headings:
Painting, American--20th century--Exhibitions
Twombly, Cy, 1928---Exhibitions.
Twombly, Cy, 1928-2011--Exhibitions.
Princeton subject headings:
Painting, American--20th century--Exhibitions.
Twombly, Cy, 1928-2011--Exhibitions.