The first volume includes a biography of the artist, a discussion of his artistic style, and the catalogue raisonné. The second volume includes Vasari's biography of Jacopo della Quercia, and transcriptions and/or summaries of all known original documentation from the artist's life. Documents are reproduced in their original language, but are accommpanied by commentary by the author in English. In addition to the catalogue of authentic works, the catalogue contains a handlist of 16 rejected attributions.