Encyclopaedia,Britannica <br/><br/>
Britannica learning library 

 - 1st Ed. 
 - New Delhi  Encyclopaedia,Britannica  2006 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library and Information Science
<br/><br/><label>Dewey Class. No.: </label> / EN-B