1. Aristotle. (1994a). Metaphysics. (W. D. Ross, Trans.). The Internet Classics Archive. http://classics.mit.edu/Aristotle/metaphysics.html (Original work published ca. 350 B.C.E.)
2. Aristotle. (1994b). Nicomachean ethics. (W. D. Ross, Trans.). The Internet Classics Archive. http://classics.mit.edu/Aristotle/nicomachaen.html (Original work published ca. 350 B.C.E.)
3. Aristotle. (1994c). On the sense and the sensible. (J. I. Beare, Trans.). The Internet Classics Archive. http://classics.mit.edu/Aristotle/sense.html (Original work published ca. 350 B.C.E.)
4. Aristotle. (1994d). Politics. (B. Jowett, Trans.). The Internet Classics Archive. http://classics.mit.edu/Aristotle/politics.html (Original work published ca. 350 B.C.E.)
5. Aristotle. (1994e). Prior analytics. (J. J. Jenkinson, Trans.). The Internet Classics Archive. http://classics.mit.edu/Aristotle/prior.html (Original work published ca. 350 B.C.E.)