Research studies in library science 
/ by John M. Christ 
 - Littleton, Colo.  Libraries Unlimited  1971 
 - v. ; 24 cm. 
<br/><br/>v.3. Analysis of vocabulary control in Library of Congress Classification and Subject Headings. - v.7. Toward a philosophy of educational librarianship 
<br/><br/><label>ISBN: </label>0872870480 
<br/><br/><label>LCCN: </label>72-079887 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science--Philosophy<br/>Libraries, University and college