The almagest, by Ptolemy ; On the Revolutions of the heavenly spheres, by Copernicus ; Epitome of Copernican Astronomy: the harmonies of the world by Kepler / - xiv, 1085 pages : illustrations ; 24 cm - Great books of the Western world, 16. . Subjects--Topical Terms: Astronomy -- Early works to 1800.Astronomy. Dewey Class. No.: 032