1. Aristotle. ca. 340 B.C. ?????o?o???????o? [On the Movement of Animals]. ?????o??????o?o? [Progression of Animals] Various edns and translns; Loeb Classical Library (Aristotle XII), Forster ES (ed.). Harvard University Press: London, Heinemann, 1937.
2. Fredericus II of Hohenstaufen, Imperator (Kaiser Friedrich II) ca. 1240 De arte venandi cum avibus, cum Manfredi Regis additionibus. [Ms. Facsimile ed. C. A. Willemsen, Das Falkenbuch Kaiser Friedrichs II, Bibliophilen Taschenbücher 152, Dortmund: Harenberg, 1979. Trans. The Art of Falconry, Wood CA, Fyfe FM (eds). Stanford University Press: Stanford, 1943.]
3. Leonardo da Vinci. Codice sul vole degli uccelli, 1505 Ms. Codex on the flight of birds. Various reprints and commentaries, most recently (ed.). G. Barbera: Milan, 1976; reprint and trans. Johnson Reprint: London, 1982.
4. Discorsi e dimonstrazioni matematiche, intoro a due nuovo scienze alla mecanica ed ai muovimenti locali. Opere Ed. Favaro Ed. VIII, 1638 [Reprinted Dialogues Concerning Two New Sciences. Dover: New York, 1954].
5. De motu animalium. Rome: Angeli Bernabo, 1680; (2nd edn.), Leiden, 1685. [Translated Die Bewegung der Tiere, by M. Mengeringhausen; Akademische Verlaggesellschaft: Leipzig, 1927; On the Movement of Animals, by P. Maquet; Springer: Heidelberg; 1989. Chapter ?The Flight of Birds? reprinted Aeronautical Classics 6, Royal Aeronautical Society: London, 1911].