http://www.about.com                                     1 million

http://www.academicinfo.net/index.html             7,500 

http://www.clearinghouse.net/                           1,000

Selected

http://www.eblast.com/                                130,000

http://bubl.ac.uk/                                           12,000

http://www.public.iastate.edu/~CYBERSTACKS/

http://www.digital-librarian.com/                   10,000

http://www.niss.ac.uk/subject/index.html

http://www.encyberpedia.com/

http://www.cs.uh.edu/~clifton/macro.a.html        1,500

http://galaxy.tradewave.com/                           10,000

http://www.lib.uiowa.edu/gw/keyword.html#subject

http://www.handilinks.com

http://lib-www.ucr.edu/                                   20,000

http://www.silverplatter.com/intindex/intro.htm/

http://www.ipl.org/ref/                                     3,000

http://ala.org/acrl/resrces.html

http://josh.nu/

http://www.jumpcity.com/

http://liii.org                                                   7,400

http://www.linkopedia.com

Used by: AltaVista, MSN, Go2Net, Hotbot, Infospace, Webcrawler, Netscape, Excite; Direct Hit partner; AltaVista and Realnames searches

http://www.looksmart.com/                              2.3 million

http://www.metaplus.com/

http://mel.org/                                                 26,000

http://www.snap.com/                                     1 million

http://www.netguide.com/                                 50,000

      Used by: 212 other sites including AOL, Google, Hotbot, AltaVista, Netscape, Lycos, Owned by Netscape, now AOL

http://dmoz.org/                                            2.1 million 

http://www.lib.uwaterloo.ca/society/subjects_soc.html

http://www.signpost.org/signpost/                         10,000

http://www.selectsurf.com/                                 10,000

http://www.studyweb.com/                              141,000 

http://www.suite101.com/                               44,000

http://www.surfpoint.com/                              400,000 

http://www.fpsol.com/gems/webgems.html 

http://www.webrary.org/Ref/weblinksmenu.html

http://hotwired.lycos.com/cybrarian/

http://www.scit.wlv.ac.uk/wwlib/browse.html

http://vlib.org/Overview.html                          50,000

http://www.yahoo.com/                                   1.7 million