Armitage Angus <br/><br/>
Century of astromomy   
  

 - 
 - London  Sampson  1950 
 - 256, 19 cms, illus, index 
<br/><br/> B   
<br/><br/>  
<br/><br/><label>ISBN: </label>
<br/><br/><label>Dewey Class. No.: </label>520.9 arm/cen