Encyclopedia Britannica:   A New Survey of Universal knowledge  
/ Encyclopedia  Britannica Ltd,  
 - Chicago:   Encyclopedia Britannica Ltd,   1962 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference works
<br/><br/><label>Subjects--Index Terms: </label>Encyclopedia 
<br/><br/><label>Universal Decimal Class. No.: </label>R 030.1   / K2.1