World heritage concention 

 - Paris  UNESCO         1980 
 - 23p.  cm. 
<br/><br/><label>Standard No.: </label>138,706 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOCIOLOGY
<br/><br/><label>Dewey Class. No.: </label>Y:1.1, M0