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History - United States History: Find Reference Sources

Why use reference sources?

Reading about your topic in a specialized encyclopedia, dictionary, or handbook is often an important and time saving research step. Reference resources can help you define unfamiliar terms. They can also help you narrow your topic by summarizing significant aspects or sub-topics of a subject you are not thoroughly familiar with or possibly by enumerating  the parameters of current debate on the subject. You can find important American History reference sources on this page.

Oxford Reference Online

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Reference Books