[Petition for abolition of slavery presented to the Governor of Maine], sent to Govenor John Fairfield of Maine from "a Convention of the Friends of the Negro assembled from various parts of the world", 1840

This series is comprised of a few items written by Thomas Clarkson. Included is the original essay in Latin, An Liceat Nolentes in Servitutem Dare? [Is It Lawful to Make Slaves of Others Against Their Will?] that won the Chancellor's Prize at Cambridge College in 1785. This essay was later expanded and published in 1786 under the title of Essay on the Slavery and Commerce of the Human Species, Particularly the African. Also included in this series is a handwritten journal, dated August 1789, recounting Clarkson's trip to France and his observations in Paris of French Revolutionary activity, particularly the fallen Bastille. There is a petition to the governor of Maine calling for the abolition of slavery, written by Clarkson in his capacity of President of the Commission of the Friends of Negro. See also Series E, for Clarkson's personal Bible that includes extensive marginalia.