The Injustice and Impolicy of the Slave Trade, and of the Slavery of the Africans: Illustrated in A Sermon, Preached Before the Connecticut Society For the Promotion of Freedom, and For Relief of Persons Unlawfully Holden in Bondage, At their Annual Meeting in New-Haven, September 15, 1791 by Jonathan Edwards, D. D., Pastor of a Church in New-Haven.  You can read or download this 24 page sermon/pamphlet  at the following link:  Read Here