* Clément, Charles (1892). Michelangelo. Harvard University, Digitized 25 June 2007: S. Low, Marston, Searle, & Rivington, ltd.: London. http://books.google.com/?id=G-sDAAAAYAAJ&printsec=frontcover&dq=michelangelo. * Condivi, Ascanio; Alice Sedgewick (1553). The Life of Michelangelo. ...