History of Animals Book 1 by Aristotle

On Marvellous Things Heard (Greek: ΠΕΡΙ ΘΑΥΜΑΣΙΩΝ ΑΚΟΥΣΜΑΤΩΝ; Latin: De Mirabilibus Auscultationibus) is attributed to Aristotle (ΑΡΙΣΤΟΤΕΛΗΣ) but may have been written by another author.  Translated by Launcelot D. Dowdall. Painting: The Last Judgment by Hans Memling, c.1471. Recording and cover design by Geoffrey Edwards are in the public domain.

Concerning Indivisible Lines (Greek: ΠΕΡΙ ΑΤΟΜΩΝ ΓΡΑΜΜΩΝ; Latin: De Lineis Insecabilibus) is attributed to Aristotle but may have had another author.  Translated by Harold H. Joachim.  Painting: Ascent of the Blessed by Hieronymus Bosch, c.1515. Recording and cover design by Geoffrey Edwards are in the public domain. 

6. Of Numbers (0:00:00) 7. How Ideas Multiply (1:36:17) 8. Of the Will of the One (4:54:49) 9. Of the Good and the One (6:35:44) Translated by Kenneth Sylvan Guthrie. Painting: Archangel Gabriel; The Virgin Annunciate by Gerard David, c1510. Digital image courtesy of The Met. Recording and cover design by Geoffrey Edwards are in the Public Domain. 

1. Of the Ten Aristotelian Categories (0:00:00) 2. The Categories of Plotinos (2:17:46) 3. Plotinos's Own Sense-Categories (4:09:17) 4. The One Identical Essence is Everywhere Entirely Present (6:24:30) 5. The One Identical Essence is Everywhere Entirely Present (7:39:26) Translated by Kenneth Sylvan Guthrie. Photograph: A Study by Henry Peach Robinson, 1858. Digital image courtesy of the Getty's Open Content Program. Recording and cover design by Geoffrey Edwards are in the public domain. 

VIII 0:32:29 IX 1:32:04 X 2:32:57 XI 4:09:38 XII 5:20:43 XIII 6:58:04 Metaphysics (Greek: ΜΕΤΑ ΤΑ ΦΥΣΙΚΑ; Latin: METAPHYSICA) by Aristotle. Translated by John M'Mahon. Painting: The Farewell of Telemachus and Eucharis by Jacques-Louis David, 1818. LibriVox recording and cover design by Geoffrey Edwards are in the public domain. Proof-Listener: Guero.

I (the less) 1:34:58 II 1:48:56 III 2:46:35 IV 4:01:58 V 5:43:34 VI 6:06:20 Metaphysics (Greek: ΜΕΤΑ ΤΑ ΦΥΣΙΚΑ; Latin: METAPHYSICA) translated by John M’Mahon. Painting: Joseph and Potiphar's Wife by Guido Reni. LibriVox recording and cover design by Geoffrey Edwards are in the public domain. Proof-Listener: Guero.

Aristotle names the heart as the life principle responsible for sensation and nutrition in all sanguineous animals and argues that every living thing has a soul which is extinguished at death. Translated by William Alexander Hammond. Painting: Vampire by Edvard Munch, 1895. LibriVox recording and cover design by Geoffrey Edwards are in the public domain.

IX 1:11:33, X 2:50:00, XI 4:18:10, XII 5:44:59 Laws (Greek: ΝΟΜΟΙ, Latin: De Legibus) is the final dialogue written by Plato. Translated by Benjamin Jowett. Woodcut: The Beast with the Lamb's Horns and the Beast with Seven Heads by Albrecht Dürer. LibriVox recording and cover design by Geoffrey Edwards are in the public domain.

Mechanics (Greek: ΜΗΧΑΝΙΚΑ, Latin: Mechanica) is attributed to Aristotle but may have been written by Archytas (ΑΡΧΥΤΑΣ). The 35 books discuss topics including the relationship between circles, levers and pulleys. Translated by Edward Forster. Painting: Faustine Léo (1832–1865) by Henri Lehmann, 1842. Scanned by The Metropolitan Museum of Art. Recording and cover design by Geoffrey Edward are in the public domain.