Slavery and the Slave Trade Richard Ligon – True & Exact History of the Island of Barbados (1657) Barbados Slave Code (1661 – 1667) Jamaica Slave Code (1664) Royal African Company Documents (1664 & 1667) Butts v. Penny (1677) Locke’s Virginia Plan of 1698 Samuel Sewall – The Selling of Joseph (1700) The Virginia Slave Code of 1705 Queen Anne’s speech on the Assiento 1712 Somerset v. Somerset (1772) Pennsylvania Gradual Emancipation Act (1780) St. George Tucker Gradual Emancipation Plan (1796)