Rondeau, J., & Twombly, C. Cy Twombly: The natural world ; selected works, 2000 - 2007 ; [exhibition, organized by and presented at the Art Institute of Chicago from May 16 to September 13, 2009](1. ed.). New Haven, Conn. [u.a.]: Yale University Press.

Cy Twombly : The natural world ; selected works, 2000 - 2007 ; [exhibition, organized by and presented at the Art Institute of Chicago from May 16 to September 13, 2009] / James Rondeau . — 1. ed.. — New Haven, Conn. [u.a.] : Yale University Press. — 95 S.; zahlr. Ill; 26 cm. — ISBN 0300146914, 9780300146912

Rondeau, James, and Cy Twombly. Cy Twombly: The Natural World ; Selected Works, 2000 - 2007 ; [exhibition, Organized By and Presented At the Art Institute of Chicago From May 16 to September 13, 2009].1. ed.New Haven, Conn. [u.a.]: Yale University Press.