This five-volume edition of Aristotle's works in Greek is (with the exception of Vol. III) a photomechanical copy of the standard edition of Aristotle's works from 1831-1870. Vols. I And II contain Aristotle's works. VOlume III presents O. GIgon's revision and supplementation of Aristotle's fragments. VOl. IV Presents a selection of the most important sections of Classical commentaries on Aristotle, together with a concordance with the Commentaria in Aristotelem Graeca. VOl. V Contains a copy of H. BOnitz' Index Aristotelicus.