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- [Letter from Lysander Spooner to Gerrit Smith]
- Four-page letter from Lysander Spooner in Boston [Massachusetts] to Gerrit Smith dated December 21, 1860, discussing an extradition case in Toronto, Canada [involving slave John Anderson]. Letter includes an undated newspaper clipping entitled "The Toronto Extradition Case.", New-York Historical Society
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- [Letter from L. Spooner to Gerrit Smith]
- Four-page letter from Lysander Spooner in Boston [Massachusetts] to Gerrit Smith dated December 21, 1860, dicussing an extradition case in Canada [involving slave John Anderson]., New-York Historical Society
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- [Letter from Gerrit Smith to Lysander Spooner]
- Two-page letter from Gerrit Smith in Peterboro [New York] to Lysander Spooner dated December 23, 1860, dicussing an extradition case in Canada involving slave [John] Anderson., New-York Historical Society
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- [Letter from Gerrit Smith to Lysander Spooner]
- Six-page letter from Gerrit Smith in Peterboro [New York] to Lysander Spooner dated December 27, 1860, dicussing an extradition case in Toronto, Canada [involving slave John Anderson]., New-York Historical Society
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- [Letter from L. Spooner to Gerrit Smith]
- Two-page letter from L. [Lysander] Spooner in Boston [Massachusetts] to Gerrit Smith dated January 1, 1861, in which he thanks Smith for his visit to Canada and discusses other abolitionist news., New-York Historical Society
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- [Letter from Gerrit Smith to L. Spooner]
- Two-page letter from Gerrit Smith in Peterboro [New York] to L. [Lysander] Spooner dated January 31, 1861, discussing an extradition case in Canada involving slave [John] Anderson., New-York Historical Society