Changing patterns of scholarship and the future of research libraries a symposium in celebration of the 200th anniversary of the stablishment of the University of Penstlvania Library 

 -  1952 
<br/><br/><label>Standard No.: </label>4,553 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LIBRARY SCIENCE
<br/><br/><label>Dewey Class. No.: </label>2:4z7, J1 (2D)