Web subject directory. Directory entries can be searched. Easy to use, and a good subject directory to try first. HotBot Web search engine plus a subject directory. One of the easier search engines to use.
Searches usually find a lot of matches.
HotBot also has a Usenet search engine. AltaVista Web search engine plus a subject directory. Searches usually find a lot of matches. AltaVista also has a Usenet search engine. Excite Web search engine plus a subject directory.