Manuscripts
Clarkson, Thomas. History of the African Institution as connected with the Abolition of Slavery and the Foreign Slave Trade
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[Clarkson, Thomas]. A letter to the clergy and slave-holders of the United States, particularly the Southern
Manuscripts
34p. Contemporary copy. With Clarkson's endorsement.
CN 77
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Pemberton, James. [Certificate of membership in the] Pennsylvania Society for promoting the abolition of slavery (issued to] Thomas Clarkson
Manuscripts
1p. Philadelphia. Printed form, filled in. Also signed by John McCree and Joseph Parker Norris.
CN 136
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Pemberton, James. [Certificate of membership issued to] Thomas Clarkson as member of the Pennsylvania society for promoting the abolition of slavery
Manuscripts
1p. Philadelphia. Printed form, filled in. Also signed by Caspar Wistar, junior.
CN 135
