Campbell, H. C.  1919- <br/><br/>
Developing public library systems and services :  a guide to the organization of national and regional public library systems as a part of overall national information service planning / 
H.C. Campbell. 
 - Paris :  Unesco,  1983, c1982. 
 - 186 p. ;  21 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>9231019953 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library planning.<br/>Public libraries--Planning.<br/>Information services--Planning.<br/>National Libraries--Planning.<br/>Regional  libraries--Planning.
<br/><br/><label>Dewey Class. No.: </label>025.5  / CAD 1983