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Slavery United States Legal status of enslaved persons in free states -- See Also the narrower term Personal liberty laws Here are entered works on laws in certain Northern states protecting African Americans within their borders who had escaped from slavery in the South.
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Slavery -- United States -- Legal status of enslaved persons in free states -- History. / https://id.loc.gov/authorities/subjects/sh85123333 https://id.loc.gov/authorities/subjects/sh99005024
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2010
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