Encyclopaedia Britannica <br/><br/>
The New Encyclopaedia Britannica 

 - 5th edition 
 - Chicago  Encyclopaedia Britannica  2007 
 - p980 
<br/><br/><label>ISBN: </label>9781593392925 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopaedia and dictionaries
<br/><br/><label>LC Class. No.: </label>AE5.E363