The Encyclopaedia Britannica : vol 20 

 - 14th. ed. 
 - London  Encyclopedia Britannica  1929 
 - 1006 p. 
<br/><br/>vol 20 
<br/><br/><label>Subjects--Topical Terms: </label><br/>  Reference books<br/>  Encyclopedias and dictionaries
<br/><br/><label>Dewey Class. No.: </label>032  / E56en 1929