AOL Netfind
http://www.aol.com/netfind/newsgroups.html

Infoseek's Go Network
http://infoseek.go.com/
In the selection box, just select newsgroups

Liszt
http://www.liszt.com

Dejanews
http://www.dejanews.com

NIC-Newsgroup Master Hit List
http://www.sunsite.unc/edu/usenet-i/heir-s/master.html

HOW TO CREATE YOUR OWN NEWSGROUP

Creating Your Own Newsgroup
http://www.fairnet/org/fnvol/training/newsgrp.html

ADVERTISING IN NEWGROUP RESOURCE

Advertising In Newsgroups
http://www.nsmi.com/noflames.html