McColvin, Lionel R. ,  1896-1976 <br/><br/>
Public library extension / 
by Lionel R. McColvin 
 - Paris :  United National Educational, Scientific and Cultural Organization,  1949 
 - viii, 113 p. :  ill. ;  22 cm. 
 - UNESCO public library manuals,  2 UNESCO publication 375 .
 - Unesco.  UNESCO public library manuals ;  2. United National Educational, Scientific and Cultural Organization.  UNESCO publication ;  375 .
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library extension--Great Britain
<br/><br/><label>Dewey Class. No.: </label>021.6