The treatises of Zosimos of Panopolis, the earliest historically attested author (fl. c. 300 AD), can help in situating the other authors.
ðə tɹˈiːɾɪzᵻz ʌv zəsˈɪmoʊz ʌv pænˈɑːpəliz, ðɪ ˈɜːlɪɪst hɪstˈɔːɹɪkli ɐtˈɛstᵻd ˈɔːθɚ ˌɛfˈɛl. sˈiː. θɹˈiːhˈʌndɹɪd ˈæd, kæn hˈɛlp ɪn sˈɪtʃuːˌeɪɾɪŋ ðɪ ˈʌðɚɹ ˈɔːθɚz.