The Invisible Web
FMost of the sites (500 to 1).
FSearch Engines can¹t enter.
F Unusual symbols:                        
http://wgestin.com/Title?Homes+(1997)
 http://ericir.syr.edu/webcall-cgi/call/web?getdoc-new-ericdb+997876+1
F How pages are found at the site:
 http://www.foster.net/cgi-bin/blakely.html