Ptolemy; Copernicus; Kepler creator Hutchins, Robert Maynard, Editor in Chief text Lake Region, HS Encyclopedia Britanica 1952 monographic eng 1085 p. 24 cm The Almagest by Ptolemy (Claudius Ptolemaeus) Introduction, Symbols and Abbreviations a Short Bibliography to Copernicus and Kepler On the Revolutions of the Heavenly Spheres by Nicolaus Copericus Epitome of Copernican Astronomy: IV and V and the Harmonies of the World V by Johannes Kepler D., 10/01 0852291639 011005 20230920162346.0