1. Balme, David M. 1962. ΓΕΝΟΣ and ΕΙΔΟΣ in Aristotle’s Biology. Classical Quarterly n. s. 12: 81–98.
2. Burnyeat, Myles. 2001. A Map of Metaphysics Zeta. Pittsburgh: Mathesis Publications.
3. Carbone, Andrea L. 2016. The Axes of Symmetry. Morphology in Aristotle’s Biology. Apeiron 49: 1–31.
4. Cleary, John J. 1996. Mathematics and Cosmology in Aristotle’s Philosophical Development. In Aristotle’s Philosophical Development. Problems and Prospects, ed. William Wians, 193–228. Lanham: Rowman & Littlefield Publishers.
5. Topics in Ancient Philosophy 9;S Connell,2021