Letter from Granville Sharp, Esq. of London, to the Maryland Society for Promoting the Abolition of Slavery, and the Relief of Free Negroes and Others, Unlawfully Held in Bondage Published by order of the society - Sharp, Granville (Printed by D. Graham, L. Yundt and W. Patton, in Calvert-Street, near the Court-House, 1793)