Santayana, George. <br/><br/>
The life of reason or the phases of human progress / 
By George Santayana ; revised by the author in collaboration with Daniel Cory. 
 - New York, N.Y. :  Charles Scribner's Sons,  1954. 
 - viii, 504 p. 
<br/><br/> Includes index.  One volume edition. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Philosophy.