High Quality Web Directory

For each subjects there are thousands of websites in Web,How to select high quality websites, This is a big problem-There is a solution for this . 

search here.

http://www.dmoz.org/

dmoz.org is  a human-edited directory of the Web , dmoz.org select or list a website by quality. This is not a search engine, dmoz.org was developed as Open Source, where development and maintenance are done by net-citizens, and results are made freely available for all net-citizens. Anyone can download and use it.