Switchboard , free nationwide residential and business directory. Time Life Photo Sight Home Page , contains photos dating back to the 19th century as well as current photography. Tobacco Control Archives , from the University of California, San Francisco Library. Web Sites at Kentucky's Schools WetNet , the Wetlands Network. Includes a listing of the organizations and people involved in wetland conservation, detailed information on the nature of wetlands, and tours of wetland areas in the Exploring Wetlands section.
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WordNet , lexical reference system that combines aspects of dictionaries and thesauri with current psycholinguistic theories of human lexical memory. Produced by the Cognitive Science Laboratory at Princeton University, under the direction of Professor George Miller. In WordNet, words are defined and grouped into various related sets of synonyms.