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Letter to Henri Gregoire
| Roots of the Slavery Crisis
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Speech on Reception of Abolition Petitions
| Roots of the Slavery Crisis
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Speech on the Oregon Bill
| Roots of the Slavery Crisis
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Letter to John Holmes
| Roots of the Slavery Crisis
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Letter to Edward Everett
| Roots of the Slavery Crisis
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The Missouri Compromise
| Roots of the Slavery Crisis
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The Wilmot Proviso
| Roots of the Slavery Crisis