- Aeschylus (1922). AESCHYLUS with an english translation, Smyth, Herbert Weir, 2 vols, The Loeb Classical Library, London: Heinemann.
- Aristotle (1831). Aristotleles Graece, Immanuelis Bekkeri, 5 vols, Berolini Apud Georgium Reimerum.
- Beardslee, John Walter (1918). the Use of Φυσις in Fifth- Century Greek Literature,Chicago: University of Chicago Press.
- Benveniste, Emile (1948). Noms d’ agents et noms d’ action en indo-europeens, Paris: Klincksieck.
- Burnet, John (1892 & 1908 & 1920 & 1930). Early Greek Philosophy, London: Adam & Charles Black.
- Dehkhoda Dictionary
- Diels, Hermannus (1879). Doxographi Graeci, Berolini Typis et Impensis G. Reimeri.
- Euripides (1857). EURIPIDES with an english commentary, Paley, Frederick. Apthorp. 3 vols, London: Whittaker and co. Ave Maria Lane.
- Euripides (1912). EURIPIDES with an english translation, Way, Arthur. S. 4 vols, The Loeb Classical Library, London: Heinemann.
- Grimal, Pierre (1968). The Culture of Greek and Roman Mythology, translated by Ahmad Behmanesh, Tehran: Tehran University Press. [In Persian]
- Heidel, William Arthur (1910). “Πϵρὶ Φύσϵωϛ. A Study of the Conception of Nature among the Pre-Socratics”, Proceedings of the American Academy of Arts and Sciences, Vol. 45, No. 4, pp. 79-133.
- Henry George Liddell, Robert Scott, Henry Stuart Jones and Roderick McKenzie (2007). Greek-English Lexicon (L S J), ninth edition, Oxford: Oxford University Press.
- Hermann Diels and Walther Kranz (1960). Die Fragmente der Vorsokratiker griechisch und deutsch, Berlin.
- Holt, J. (1941). “Les noms d’ action en -sis (-tis)”, Études de linguistique grecque (Acta Jutlandica XIII, 1), Cophenhagen.
- Homer (1891). the HOMERIC HYMNS translated into english prose, Edgar, John, Edinburgh.
- Inwood, Brad (1992). The Poem of Empedocles, a text and translation with an introduction, Toronto: University of Toronto Press.
- Lovejoy, Arthur O. (1909). “The Meaning of Φυσις in the Greek Physiologers”, the Philosophical Review, Vol. 18, No. 4, pp. 369-383.
- Naddaf, Gerard (2005). The Greek Concept of Nature, New York: State University of New York Press.
- Persian Dictionary Moein
- Pindar (1915). THE ODES OF PINDAR including the principal fragments, with an introduction and an english translation by Sandys, Sir John, The Loeb Classical Library, London: Heinemann.
- Pindar (1997). PINDAR edited and traslated, William H. Race. 2 vols, The Loeb Classical Library, London: Heinemann.
- Plato (1900- 1907). Platonis Opera, Joannes Burnet, 5 vols, Oxford: Oxford University press.
- Ritter, Joachim; Gonder, Karlfried; Gabriel, Gottfried (2010). Historical Dictionary of Philosophical Concepts, Editors: Hosseini Beheshti, Mohammad Reza; Pazuki, Bahman; Farnoodfer, Farideh. Volume 1, Tehran: Research Institute of Iranian Philosophy and Navarghanoon Cultural-Research Institute.
- Simplicius (2001). on Aristotle Physics 8. 6- 10, translated by Richard McKirahan, Duckworth.
- Sophocles (1883). Sophocles: The Plays and Fragments with Critical Notes, Commentary and Translation in English Prose, Jebb, Richard Claverhouse. 10 vols, Cambridge: Cambridge University Press.
- Sophocles (1912). SOPHOCLES with an english translation, Storr, F. 2 vols, The Loeb Classical Library, London: Heinemann.
- Veazie, Walter B. (1920). “The Word Φυσις”, Archiv für Geschichte der Philosophie, Neue Folge. XXVI. Band, 1. u. 2. Heft. 3- 22.
- Woodbridge, Frederick J. E. (1901). “the Dominant Conception of the Earliest Greek Philosophy”, the Philosophical Review, Vol. 10, No. 4, pp. 359-374.
