Koestler, Arthur . <br/><br/>
The Watershed: A Biography of Johannes Kepler /  Textual Documents 
Arthur Koestler. 
 - 1st ed. / 
 - New York :  Doubleday ,  ©1960. 
 - 263p. :  ill ;  20cm . 
<br/><br/><label>Subjects--Index Terms: </label>Biography-Scientists Biography-Johannes Kepler G-Biography 
<br/><br/><label>Dewey Class. No.: </label>925  / K 819 W