Lock, R. Northwood <br/><br/>
Manual of library economy 

 - 7th ed. 
 - Calcutta  Rupa & Company  1962 
 - xii,307p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library economy<br/>Library Science
<br/><br/><label>Dewey Class. No.: </label>020  / LOC