Infoseek searches the full text of WWW documents and you can search by phrase as well as by keyword. Searches Newsgroups as well. Medical World Search is a search engine specifically designed to search the World Wide Web for medical information. One advantage is that it finds specific URLs and names very quickly. It will return documents in order of relevance to the keywords specified.
Catalogs offer excellent subject access to information.
This is a popular well-ordered catalog of Web sites, arranged alphabetically in broad subject areas. A search engine that searches the URLs, titles and comments within Yahoo is provided. Users can submit new sites and automated robots seek out others, making this a good place to find new resources. As a metadirectory, this site from the Univ. It also categorizes and rates the sites to an extent.