1. AristophanesThe Frogs, ed. W. B. Stanford. 3 vols. London: Macmillan, 1958
2. CiceroDe Legibus.Loeb Classical Library. London: Heinemann, 1943
3. DurandusQuaestio de natura cogitionis.ed. J. Koch. Opuscula et Textus Historiam Ecclesiae eiusque Vitam et Doctrinam Ilustrantia. Münster, 1929
4. EuripidesHippolytus.Loeb Classical Library, 4 vols, London: Heinemann, 1912