Perry, Ralph Barton,  1876-1957 <br/><br/>
Realms of value :  a critique of human civilization / 
Ralph Barton Perry 
 - Cambridge :  Harvard University Press,  1954 
 - xii, 497 p. ;  23 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> usd 7.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Values<br/>Civilization, Modern