Directory of periodicals 

 - 2nd 
 - Unesco  Unesco          1959 
<br/><br/><label>Standard No.: </label>73542 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BIBLIOGRAPHY
<br/><br/><label>Dewey Class. No.: </label>146:41:N5, J9