Spencer, Herbert <br/><br/>
Principles of biology 
by Herbert Spencer 
 - London  Williams  1884 
 - 2v 
<br/><br/> Contents; v.1.,475p.; v.2.,598p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Dewey Class. No.: </label>YA57 Sp33