Bibliographic organization:   Papers presented before the fifteenth annual conference of the graduate library school, July 24-29, 1950 

 - Chicago:   The University of Chicago press,   1951 
 - xii, 275p. 
 - University of Chicago studies in library science .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science
<br/><br/><label>Subjects--Index Terms: </label>Bibliography methodology Colon classification 
<br/><br/><label>Universal Decimal Class. No.: </label>D 002.008.2(082.2)  / H1