 No definite chronology of the works was established until the very recent book of Niehoff (2018). Philo gives very few hints regarding his process of composition, offering only a few remarks about the structure and divisions of his treatises. Regarding the strange fact that these Greek treatises bear Latin titles, Monique Alexandre (1997) conducted a complete study in which she examines a complex philological process from Antiquity to the nineteenth century through the humanists of the Renaissance and their immediate successors.