Mccolvin Lionel R. <br/><br/>
Public library extension 

 -  1951 
 - Unesco public library manuals; 2 .
<br/><br/><label>Standard No.: </label>5,915 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LIBRARY SCIENCE
<br/><br/><label>Dewey Class. No.: </label>22, J11-;3 (2D)