On I. The Answer of M. L'abbé de Vertot to the Late Earl Stanhope's Inquiry, Concerning the Senate of Ancient Rome: Dated December 1719. II. A Dissertation Upon the Constitution of the Roman Senate, by a Gentleman: Published in 1743. III. A Treatise on the Roman Senate, by Dr. Conyers Middleton: Published in 1747. IV. An Essay on the Roman Senate, by Dr. Thomas Chapman: Published in 1750