Ptolemy's Theory of Visual Perception (Transactions of the American Philosophical Society,) by A. Mark Smith (Sep 5, 2000)
Ptolemy Harmonics: Translation and Commentary (Mnemosyne Supplements) by Jon Solomon (Nov 1999)
Ptolemaei, Claudii, Opera quae exstant omnia: Vol. III, Fasc. 1. Apotelesmatica (Bibliotheca scriptorum Graecorum... by Wolfgang Hübner (Jan 1, 1998)
Claudii Ptolemaei opera quae exstant omnia 2 Volume Set (Cambridge Library Collection - Classics) by Ptolemy and Johan Ludvig Heiberg (Feb 13, 2014)
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