Memorials presented to the Congress of the United States of America : by the different societies instituted for promoting the abolition of slavery, &c. &c. in the states of Rhode-Island, Connecticut, New-York, Pennsylvania, Mary-land, and Virginia. Published by order of "The Pennsylvania Society for Promoting the Abolition of Slavery, and the Relief of Free Negroes Unlawfully Held in Bondage, and for Improving the Condition of the African Race." (printed by Francis Bailey, 1792)