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

 - Unesco  Unesco Paris        1950 
 - 108  cm. 
 - Unesco public library manuals (Unesco publications, 375); 2 .
<br/><br/><label>Standard No.: </label>4,499 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LIBRARY SCIENCE
<br/><br/><label>Dewey Class. No.: </label>2:2, J0 J02-J04 (2D)