Searching the Deep Web   Tags: deep_web, invisible_web, search_engines, web_searching  

Scholarly Research Resources:

• arXiv
• BASE
• Directory of Open Access Journals (DOAJ)
• E-print Network
• Google Scholar
• OAIster
• pubget
• PubMed
• Scirus
• Scitopia
• TechXtra

Web Search Engines:

• Bing
• Google
• Blekko
• DuckDuckGo
• Mahalo
• Wolfram Alpha
• Zuula
• Deep Web Wiki

Social Media/Realtime Search:

• Boardreader
• Collecta
• Delicious
• Digg
• IceRocket
• Omgili
• Reddit
• SocialMention
• StumbleUpon

News Search:

• Google News Archive
• Kidon MediaLink
• NewsNow

Video/Music/Multimedia Search:

• AllMusicGuide
• Blinkx
• Musopen
• Naxos Music Group
• The Internet Archive
• Vimeo
• YouTube

Dictionaries, Thesauri and Encyclopedias

• Mirriam-Webster
• MSN Encarta
• Dictionary.com
• Google Dictionary
• Thesaurus.com
• Visual Thesaurus
• Wikipedia
• Britannica Online

Search Tips & Tricks:

• How to Use Google Search More Effectively [infographic]
• Google search tips
• Google search tricks
• Improve your search experience
• Internet Tutorials

Search Tools:

• Google Custom Search
• Add to Search Bar Firefox add-on
• Library Resources Search Bookmarklet

Search Engine Lists:

• Wikipedia: List of Search Engines
• Alphabetical List of Search Engines

Deep Web Search Guides:

• The Ultimate Guide to the Invisible Web (OEDb)
• How to Search the Invisible Web (Lifehacker)

eBooks:

• Google Books
• HathiTrust
• The Internet Archive
• The Internet Classics Archive
• Project Gutenberg

Digital Archives:

• The Internet Archive
• Library of Congress
• National Archives
• Perseus Digital Library
• Smithsonian Digital Library
• Yale Digital Commons

Art & Photography:

• Flickr: The Commons
• Guggenheim Collections Online
• Library of Congress: Prints & Photographs
• Metropolitan Museum of Art Collection Database
• Musee de Louvre
• National Gallery of Art
• nyarc: arcade
• Smithsonian National Portrait Gallery

People Search:

• PeekYou
• Pipl

Government & Statistical Info:

• CIA Electronic Reading Room (Declassified Documents)
• FDsys (formerly GPO Access)
• US Census Bureau International Database
• USA.gov: reference center

Finance & Business:

• Google Finance

Legal Research:

• FindLaw
• Global Legal Information Network
• International Law Library
• Legal Information Institute at Cornell Law
• National Center for Public Policy Research: Historical Documents
• The Civil Rights Project
• THOMAS (legislative information from the LoC)
• USA.gov: public safety & law
• USA.gov: federal laws and regulations
• The Law Student Guide to Free Legal Research on the Internet

Free Online Courses:

• Academic Earth
• MIT Open Courseware
• iTunes U
• YouTube - EDU

Writing Resources:

• Purdue Online Writing Lab (OWL)
• BibMe
• EasyBib
• Grammerly

Language Resources

• Google Language Tools
• Babel Fish
• FSI Free Online Language Courses (Developed by US Gov.)
• The Mixxer
• Cambridge Advanced Learner's Dictionary
• Linguee
• LiveMocha
• UIOWA Phonetics Project
• howjsay.com
• Forvo Pronunciation Guide