SPENCER. HERBERT <br/><br/>
THE PRINCEPLES OF BIOLOGY 
HERBERT SPENCER. 
 - LONDON   WILLIANS AND NORGATE,   1899 
 - VOL II 
<br/><br/> Sc Mean Popular and General Science in A to Z Accession Register Page 648-655 (Acc. No.Sc1-Sc229) & Page 680-683 (Acc. No. Sc230-Sc340) 
<br/><br/><label>Dewey Class. No.: </label>SC2