1. Bogen, James, and James E. McGuire. 1985. How things are,. Dordrecht: Springer.
2. Bonitz, Herman. 1848–9. Aristotelis Metaphysica., 2 vols. Bonn: A. Marcus.
3. Bostock, David. 1994. Aristotle Metaphysics Books Z and H,. Oxford: Oxford University Press.
4. Burnyeat, Myles. 2001. A map of Metaphysics Zeta,. Pittsburgh: Mathesis Publications.
5. Burnyeat, Myles, et al. 1979. Notes on book zeta of Aristotle’s Metaphysics,. Oxford: Sub-Faculty of philosophy.