George Santayana-William G. Holzberger-Herman J. Saatkamp Jr.-Marianne S. Wokeck <br/><br/>
The Letters of George Santayana, Book Six, 1937–1940  The Works of George Santayana, Volume V 

 -  The MIT Press  2004 
 - Works of George Santayana .
<br/><br/><label>ISBN: </label>9780262194952 
<br/><br/><label>Subjects--Topical Terms: </label><br/> General<br/>Philosophers--United States--Correspondence.<br/>PHILOSOPHY