• Academic Index — includes results from information databases that index only research-quality reference and information
• All Academic — The Guide to Free Academic Resources On-Line: scholarly journal articles, convention procedures, and working papers.
• Bubl-Link — Selected Internet resources covering all academic subject areas
• Digital Librarian — a librarian's choice of the best of the Web
• Electronic Journal Miner — Search engine for electronic journals
• FindArticles.com — vast archive of published articles that you can search for free. Constantly updated, it contains articles dating back to 1998 from more than 350 magazines and journals...
• InfoMine — Search 100,904 Academically Valuable Resources
• Libraries — A lising of a number of search engines forpublic and university libraries.
• Scholar's Resources on the Web — Richard Jensen, Professor Emeritus of History, U of Illinois-Chicago, excellent and vast list of academic resources.
• SearchEdu.com — Searches over 20 million university and education pages.
• Statistical Resources — University of Michigan's Statistical Resources on the Web with topical links

• Government Links — A lising of a number of search engines for government and politics.
• Humanities — Voice of the Shuttle, humanities research.
• Science & Technology Links — A lising of a number of search engines for Science and Technology.
• Scirus — for Science research.
• Social Sciences — UCSD's Social Science Gateways on the Net--Social Sciences Searches
• Social Science Information Gateway — SOSIG is a directory with thousands of online resources browsable or searchable by subject area.
• Thomas — legistlative information on the net.

• Direct Search — Links to resources hidden from most search engines.
• Google Usenet Archive — A search engine for news groups and listservs.
• Online Books Page — A searchable index of more than 15,000 books in that are available for free online.
• Profusion — A directory of thousands of databases, archives, and search engines hidden from most search engines.
• Public Information Database — More than 5,000 public U.S. and international databases.
• SearchAbility — Guides to specialized search engines.
• Search Adobe PDF Online — Search engine for Portable Document Format (PDF) files.
• WayBackMachine — To find web pages that no longer exist, you can surf pages stored in the Internet Archive's web archive.
• Universiteitsbibliotheek — A collection of special search engines

Web Directories

• Scout Report Archives — Searchable and browsable archive of the best Internet resources chosen by the Scout Report.
• WWW Virtual Library — The oldest directory of the web, the VL is run by volunteers who compile links for their area of expertise.
• Open Directory Project — A comprehensive directory of the web, developed by volunteer editors.
• Librarians' Index to the Internet — A searchable, annotated subject directory of thousands of Internet resources selected and evaluated by librarians.