Santayana, George,  1863-1952. <br/><br/>
The life of reason / 
George Santayana. 
 - Middlesex :  Echo Library,  2006. 
 - 615 p. ;  23 cm. 
 - Great books in philosophy .
<br/><br/> Originally published in 5 v.: The Life of reason, or, The phases of human progress. New York : C. Scribner's Sons, 1905-06.  Includes index. 
<br/><br/><label>ISBN: </label>9781406800401 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reason.<br/>Philosophy.<br/>Progress.
<br/><br/><label>Dewey Class. No.: </label>191