Alexander Barclay 
A Practical View of the Present State of Slavery in the West Indies; Or, an Examination of Mr. Stephen’s ‚Slavery of the British West India Colonies‘ 
Containing More Particularly an Account of the Actual Condition of the Negroes in Jamaica; With Observations on the Decrease of the Slaves Since the Abolition of the Slave Trade, and on the Probable Effects of Legislative Emancipation; Also, Strictures On