Perry, Ralph Barton. <br/><br/>
Realms of value :  a critique of human civilization / 
Ralph Barton Perry. 
 - Cambridge :  Harvard university press,  c 1954. 
 - xii, 497 p. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>313  313 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civilization, Modern.<br/>Values
<br/><br/><label>Dewey Class. No.: </label>191 / P429r