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Encyclopedias and Other Reference Sources

Selected Reference Sources to Begin and Enhance Your Research



English-Language Dictionaries

Language dictionaries include lists of commonly used words in a language, along with their definition, spelling, pronunciation, and sometimes usage. Historical language dictionaries add word origins and changes in definitions and usage over time, and include words no longer in common use.

Subject Dictionaries

Subject dictionaries consist of comprehensive lists of terms pertaining to those subjects, with definitions.

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