This is the fourth and final volume of the drawings catalogue. Part 1 of the catalogue raisonné covers catalogue numbers 323-395; part 2 covers nos. 396-496. The catalogue is organized by location where executed (Arles, Saint-Remy and Auvers-sur-Oise) and then by subject. The appendix discusses doubtful works, changed datings, and new acquisitions. The fourth volume contains a comprehensive indices of works, names, and concordances with vols. 1-4.