Encomium of Helen / Gorgias ; ed. with introduction, notes and translation by D. M. MacDowell (Bristol : Bristol Classical Press) 1982. BIBSYS
?Sekund?rlitteratur - obligatorisk lesning:
Guthrie, W. K. C. A History of Greek Philosophy, vol. III: The fifth century enlightenment (Cambridge) 1975, 27-54 & 192-200. BIBSYS