UNESCO <br/><br/>
The Challenge to our cultural heritage :  why preserve the past? : proceedings of a Conference on Cultural Preservation, Washington, D.C., 8-10 April, 1984  

 - Paris   France    UNESCO 
<br/><br/><label>ISBN: </label>978 92 310 2370 5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>HISTORIC SITES CONSERVATION AND RESTORATION CONGRESSES
<br/><br/><label>Dewey Class. No.: </label>363 69 UNI