Cy Twombly : catalogue raisonné of sculpture /
Twombly, Cy,1928-
Del Roscio, Nicola.
Danto, Arthur Coleman,1924-
[München] : Planco : Schirmer/Mosel,
c1997-
Includes bibliographical references.
v.1. 1946-1997
Twombly, Cy, 1928-