McColvin, Lionel R.  1896-1976. <br/><br/>
Public library extension / 
Lionel R. McColvin. 
 - Paris :  United National Educational, Scientific and Cultural Organization,  1951. 
 - viii, 113 p. :  illus. ;  22 cm. 
 - UNESCO public library manuals,  2 UNESCO publication 375. .
<br/><br/>Includes Index and Bibliography:(p. 110.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library extension--Great Britain.
<br/><br/><label>Dewey Class. No.: </label>021.6  / MCP 1951