Slavery - Granville Sharp pioneer in the abolition of slavery. Autograph letter signed dated London Old Jewery November 6th 1778 to his fellow attorney Thomas Adams discussing the processing of some deeds. 1p 4to with integral autograph address panel. Granville Sharp was the real pioneer in the movement to abolish slavery throughout the British Empire in the early 19th c. It was his campaign which persuaded William Wilberforce to bring forward the anti-slavery bill to Parliament. An important historic autograph