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![[Clarkson, Thomas]. Speech [regarding the necessity of continuing the London Committee]](/_next/image?url=https%3A%2F%2Frail.huntington.org%2FIIIF3%2FImage%2F22APN4DSSWW%2Ffull%2F%5E360%2C%2F0%2Fdefault.jpg&w=750&q=75)
![Pemberton, James. [Certificate of membership in the] Pennsylvania Society for promoting the abolition of slavery (issued to] Thomas Clarkson](/_next/image?url=https%3A%2F%2Frail.huntington.org%2FIIIF3%2FImage%2F22APN4DR841%2Ffull%2F%5E360%2C%2F0%2Fdefault.jpg&w=750&q=75)
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