Yanoff's List of Internet Resources . Started by the famous Scott Yanoff, back in the dark ages of Internet. Grown now to a lengthy list of sites. Different search engines wander through different parts of the Internet and will come up with lists of different results using the same search terms. If you don't find what you want, try another search engine.
Search engines offer more options than simply following links in a subject tree.
Alta Vista . The newest search engine to come along, supposedly the fastest and widest-ranging. Lets you search the world wide web and also newsgroup postings. The advanced query page allows boolean and proximity searching. WebCrawler Searching .