Compiled by public librarians in the information supply business. Highest quality sites only. Great, reliable annotations. Advanced Search allows Boolean searching by these fields, plus author and more. The Invisible Web Selected Directories of Searchable Databases.
Content is frequently useful in academic research.
Compiled by the Librarians at the University of California, Berkeley. Raging search covers over 350 million unique Web pages. Power Search provides a user-friendly interface for boolean searching. Limit by date, language. Automatic phrase detection.