Ball,  <br/><br/>
Tratise On Spherical Astronomy 

 - New York  Cambridge University  1928 
 - 256p. 
<br/><br/><label>Subjects--Uniform Titles: </label>--General Stack
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy--Astronomy
<br/><br/><label>Dewey Class. No.: </label>520  / BAL-T