Langdon-Davis, John <br/><br/>
Man and His Universe 

 - New York  watts & co. publications  1937 
 - 242P 
<br/><br/> includes index and biblioraphy 
<br/><br/><label>ISBN: </label> 300 
<br/><br/><label>Dewey Class. No.: </label>Q49  / L259