Abraham Lincoln's Classroom
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Colonial Williamsburg
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Enchanted Learning
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Engaging Students in American History
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Facing History and Ourselves
Harvard University Library Open Collections Program
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History Matters
Inventing America
Japanese American National Museum
Library of Congress
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National Council For History Education
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Organization of American Historians
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Smithsonian National Museum of American History
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The American West
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The Journal of American History
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The Vietnam Project
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U.S. National Archives & Records Administration (NARA)
Voices from the Days of Slavery
Women in American History
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Yale-New Haven Teachers Institute