LEIBNITZ, Gottfried Wilhelm (1646-1716) and Samuel CLARKE (1675-1729). A Collection of Papers, which passed between the late Learned Mr. Leibnitz, and Dr. Clarke, in the Years 1715 and 1716, relating to the Principles of Natural Philosophy and Religion. London: for James Knapton, 1717. 8o (196 x 116 mm). Contemporary English panelled calf (rear hinge tightened). Provenance: T. de Grey (signature). FIRST EDITION with 2 pp. publisher's advertisements at end. An exchange of papers in which Clarke defended Newtonian views against the attacks of Leibnitz. Babson Newton 229 (with 20 pp. advertisements at end).