Research Links:
- About.com
- Browse by topic
- Answers.com
- Ask.com (Ask Jeeves)
- Bing
- Dogpile
- Meta-search engine, searching all the most popular engines and retrieving the best combined results
- HotBot
- INFOMINE
- Internet Public Library
- The iSchool at Drexel, College of Information Science and Technology
- LibrarySpot.com
- Several reference desk sources
- Lycos
- refdesk.com
- Reference Center and General Government
- USA.gov
- Search Engine Colossus
- International directory of search engines
- The Internet Archive
- Includes WayBackMachine
- Yahoo
- Yippy (Clusty)