Spencer, Herbert  x <br/><br/>
First principles  x 

 - 7th 
 - London  Williams an Norgate  1922 
 - 492 
<br/><br/>Includes 
<br/><br/><label>ISBN: </label>x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epistomology Knowledge 
<br/><br/><label>Dewey Class. No.: </label>RB121/S745f