Parkes, S. H.  <br/><br/>
Unfinished worlds:  a study in astronomy 

 - 2nd 
 - London  Hodder and stoughton  MDCCCLXXXVIII 
 - 230 
<br/><br/> With illustration 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy<br/>Astronomy, study and teaching
<br/><br/><label>Dewey Class. No.: </label>520.1  / P228u