Régine Charron, " The Apocryphon of John (NHC II,1) and the Greco-Egyptian Alchemical Literature ", Vigiliae Christinae 59 (2005), p. 438-456.
ɹˈeɪdʒɪn tʃˈæɹən, " ðɪ ɐpˈɑːkɹɪfən ʌv dʒˈɑːn ˌɛnˌeɪtʃsˈiː ɹˌoʊmən tˈuː,wˈʌn ænd ðə ɡɹˈiːkoʊɪdʒˈɪpʃən ælkˈɛmɪkəl lˈɪɾɚɹᵻtʃɚ ", vɪdʒˈɪlɪˌiː kɹˈɪstɪnˌiː fˈɪfti nˈaɪn tˈuː θˈaʊzənd fˈaɪv, pˈiː. fˈoːɹhˈʌndɹɪd θˈɜːɾi ˈeɪt dˈæʃ fˈoːɹhˈʌndɹɪd fˈɪfti sˈɪks.