Education clearing houses and documentation centres :  a preliminary international survey. 

 - Paris,  1957. 
 - United Nations. Educational, Scientific, and Cultural Organization. Educational studies and documents ;  no. 22 United Nations. Educational, Scientific and Cultural Organization. Document ;  ESD/22/A .
 - Educational studies and documents ;  no. 22 [Document] (Unesco) ;  ESD/22/A .
<br/><br/><label>LCCN: </label>57002803 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education -- Societies, etc.--Education -- Societies, etc.<br/>Documentation -- Societies, etc.--Documentation -- Societies, etc.