World heritage sites 

 - Sydney, Australia. :  Pro Doco,  2004. 
 - 1 videodisc (55 min.) :  sd., col. ;  4 3/4 in. 
<br/><br/> The program explains how sites are listed and the ways they are managed and protected. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Historic buildings.<br/>Historic sites.<br/>World Heritage areas.