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A & E Biography
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Crash Course
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Digital Public Library of America
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Education.com
Gale in Context: High School
Gale in Context: Middle School
Gale Onefile: U.S. History
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Google Scholar
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The History Channel: Exploration
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Library of Congress
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Oregon State Government
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Smithsonian
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Sweet Search: A Search Engine for Students
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Purdue Owl Online Writing Lab
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The White House
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