Santayana, George. <br/><br/>
The life of reason or the phases of human progress / 
by George Santayana. 
 - New vol. ed. / revised by the author in collaboration with Daniel Cory. 
 - New York :  Scribner's,  c1953. 
 - viii, 504 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reason.<br/>Reasoning.<br/>Common sense.