New encyclopedia Britannica :  macropedia knowledge in depth (Vol. 21) 
by Encyclopedia Britannica. 
 - 15th ed. 
 - Chicago :  Encyclopedia Britannica Inc.,  2007. 
 - 1018 p. 
<br/><br/> This book contains 32 volumes. 
<br/><br/><label>ISBN: </label>9781593392925 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias--DIctionaries.
<br/><br/><label>Dewey Class. No.: </label>032  / ENC/NEW