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99 Resources to Research & Mine the Invisible Web

posted Apr 8, 2014, 9:37 AM by Kathleen Richter
Researchers often need more than Google and Wikipedia to get the job done. To find what you're looking for, it may be necessary to tap into the invisible web, the sites that don't get indexed by broad search engines. The following resources were designed to help you do just that, offering specialized search engines, directories, and more places to find the complex and obscure.