Vols. 4 and 5 are bound in one. Volume 4 contains the catalogue of the drawings and graphic works. The publication lists approx. 660 drawings and book illustrations. Entries cite title, date, medium, dimensions, comments, and provenance. Not all works are illustrated. There are also separate catalogues of etchings and clichés verre. Entries provide information on title, dimensions, signatures & inscriptions, exhibitions, sales, proofs, and states. Volume 4 also includes a list of exhibitions and sales of Corot's works. Volume 5 includes the contents of Corot's posthumous sale, public exhibitions of his works, examples of Corot's signatures, photographs of the artist, and other documents related to Corot's life.