The first volume has numerous sections on the artist's training, career and subject matter, followed by several appendices including documents, a geneology, comparative works, bibliographical information, accepted works of unknown location, and other critical apparatus. The catalogue raisonné is divided according to the following order: accepted works (in chronological sequence, with replicas and prints of lost works), works with problematic attributions, and rejected and unidentified works. Entries include the following information: catalogue number, title, location, support, dimensions, signature and comments, provenance, exhibition and literary references.