Spencer Herbert <br/><br/>
Factors of organic evolution   
  

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 - London  Williams  1887 
 - Iv, 76; 22cms. 
<br/><br/> B   
<br/><br/>  
<br/><br/><label>ISBN: </label>
<br/><br/><label>Dewey Class. No.: </label>572.9 spe/fac