Spencer, Herbert, <br/><br/>
The principles of ethics / 
Herbert Spencer ; introduction by Tibor R. Machan. 
 - Indianapolis :  Liberty Classics,  1978. 
 - 2 v. ; 
<br/><br/> "This edition ... follows the text of the edition published in New York in 1897 by D. Appleton and Company." 
<br/><br/><label>ISBN: </label>0913966339 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ethics.
<br/><br/><label>Dewey Class. No.: </label>170  / Pr