The new encyclopaedia britannica : macropaedia . Vol.21 

 - Chicago:  Encyclopaedia Britannica,  1985. 
 - Vol.21,968p.;  28cm 
 - The new encyclopaedia britannica  21 .
<br/><br/><label>ISBN: </label>0-85229-423-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Britannica<br/>Encyclopeadia
<br/><br/><label>Dewey Class. No.: </label>030  / BRI