A discourse of the duties on merchandize, more particularly of that on sugars : occasionally offer'd, in answer to a pamphlet intituled, The groans of the plantations, &c. : exposing the weakness of the said pamphlet ... also, shewing how the last imposition on sugars did truly affect that trade, and how the same might yet be advanc'd, to the greater benefit both of this kingdom and the plantations ... /