Late Classical Astrology: Paulus Alexandrinus and Olympiodorus (with the Scholia of later Latin Commentators). [Translated by Dorian Gieseler Greenbaum.] Archive for the Retrieval of Historical Astrological Texts [ARHAT] "A.R.H.A.T. Publications". Archived from the original on 2007-10-02. Retrieved 2009-03-15., 2001. P.6. (This is a translation of Paulus' Introduction along with the Commentary by Olympiodorus and related Byzantine scholia.)
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[1] Claudius Ptolemy, Tetrabiblos online [tr. by Frank Egleston Robbins] in the Loeb Classical Library, 1 volume, Greek text and facing English translation: Harvard University Press, 1940. Pp. 79-83.
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Late Classical Astrology: Paulus Alexandrinus and Olympiodorus (with the Scholia of later Latin Commentators). [Translated by Dorian Gieseler Greenbaum.] Archive for the Retrieval of Historical Astrological Texts [ARHAT] "A.R.H.A.T. Publications". Archived from the original on 2007-10-02. Retrieved 2009-03-15., 2001. P.6. (This is a translation of Paulus' Introduction along with the Commentary by Olympiodorus and related Byzantine scholia.)
