Whitehead, David (ур.). „Suda On Line – Pappos”. Suda On Line and the Stoa Consortium. Архивирано из оригинала 09. 08. 2018. г. Приступљено 11. 7. 2012. „Alexandrian, philosopher, born in the time of the elder emperor Theodosius, when the philosopher Theon also flourished, the one who wrote about Ptolemy’s Canon. His books are Description of the Inhabited World; a commentary on the four books of the Great Syntaxis of Ptolemy; The Rivers in Libya; and The Interpretation of Dreams.”CS1 одржавање: Формат датума (веза)
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Whitehead, David (ур.). „Suda On Line – Pappos”. Suda On Line and the Stoa Consortium. Архивирано из оригинала 09. 08. 2018. г. Приступљено 11. 7. 2012. „Alexandrian, philosopher, born in the time of the elder emperor Theodosius, when the philosopher Theon also flourished, the one who wrote about Ptolemy’s Canon. His books are Description of the Inhabited World; a commentary on the four books of the Great Syntaxis of Ptolemy; The Rivers in Libya; and The Interpretation of Dreams.”CS1 одржавање: Формат датума (веза)