Ptolemaous, Claudius. The Almagest / by Ptolemy. On the revolutions of the heavenly spheres / by Nicolaus Copernicus. Epitome of the Copernican astronomy : IV and V... - Chicago : Encyclopedia Britannica, c1983. - 1085 p. - Great books of the western world ; v.16 . Subjects--Topical Terms: Astronomy--Early works to 1800Mathematics, Greek