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CLB Library / Services / Reference / Virtual Reference Desk / Search Engines, Subject Directories & Metacrawlers

Virtual Reference - Search Engines, Subject Directories & Metacrawlers

Search Engines
Google
Google U.S. Government Search
Google News
Google Images
Google Maps
Google Scholar
Search Journal Articles (results may or may not be full text)
Google Books
Search Full-Text of Books (results may or may not be full text)
Google Blog Search
Search Blogs
Yahoo
Combined Search Engine and Internet Directory
Ask.com
Search Engine with enhanced guided search features
Subject Directories
Librarians' Index to the Internet
A searchable, annotated subject directory of tens of thousands of web sites that meet various selection criteria.
InfoMine
A directory of scholarly Internet Resource Collections
RDN: Resource Discovery Network
Gathers resources which are carefully selected, indexed and described by specialists in partner institutions... comprised of over seventy educational and research organisations, including the Natural History Museum and the British Library.
About.com
A directory of internet resources managed by individuals with expertise in specific subject areas.
Metacrawlers
Mamma
Mamma simultaneously queries numerous search engines and organizes the results into a uniform format and presents them by relevance and source.
Dogpile
Searches multiple search engines and provides combined results, as well as the capability to separate out results by engine and see which results are unique to the various search engines.
Clusty
Clusty takes search results and clusters them into groups of similar results, allowing users to quickly focus their search.