Sidgwick, J.B. . <br/><br/>
The Heavens Above: A Rationale of Astronomy /  Textual Documents 
J.B.Sidgwick. 
 - 1st ed. / 
 - Oxford :  Oxford Universsity Press ,  1950. 
 - xv,326p. ;  22cm. 
<br/><br/>Index 
<br/><br/><label>Subjects--Index Terms: </label>Astronomy G-Mathematics 
<br/><br/><label>Dewey Class. No.: </label>523  / Si 13 H