Ancient Greek text
τὸν σκοπὸν τῆς Περὶ οὐρανοῦ Ἀριστοτέλους πραγματείας ὁ Ἀλέξανδρος περὶ …
Simplicii in Aristotelis De Caelo Commentaria, Reimer, Berlin, 1894
Simplicius, In Aristotelis quattuor libros de caelo commentaria, ed. J.L. Heiberg. Text: The Greek Library, from the Perseus Digital Library and other open sources, CC BY-SA 4.0. Changes: apostrophes normalised and the text divided into reading sections by Interlinea.
Texts from The Greek Library and the Perseus Digital Library, under CC BY-SA 4.0 and CC BY 4.0. Divided into reading sections by Interlinea.