Haykin, David Judson <br/><br/>
Subject headings : A practical guide 

 - Washington  U.S. Govt. Printing Office  1951 
 - 140p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library Science
<br/><br/><label>Dewey Class. No.: </label>025.33 HAY