Vol. 1: [2], IV, CCXLIV, 790 p., [1] leaf of plates; v. 2: [2], VIII, 400, 291, [1] p. (the last blank), II, XIV folded leaves of plates; v. 3: [2], VIII, LV, [1], 663, [1] p. (the last blank), [1], XXV folded leaves of plates; v. 4: VIII, 216, 285, [3], 647, [1] p. (the last blank), [1] folded leaf of plates; v. 5: VIII, 632 p.; v. 6: VI, 344 p., [1] folded leaf of plates.

Woodcut title vignettes, initials, head- and tail-pieces, some signed "Papillon" and dated 1766. Engraved port. of Leibnitz by Pierre Savart.

The works are preceded in v. 1 by "Ludovici Dutens Praefatio in opus universum", "Eloge de Mr. G.G. Leibniz par Mr. de Fontenelle", "G.G. Leibnitii vita a celeb. Jac. Bruckero scripta", and "Disputatio de philosophia Leibnitii Christianae religioni haud perniciosa, auctore Christiano Kortholto ..."

Includes bibliographical references and indexes.

Text mostly in Latin or French.

Envelope addressed to R. Meyer inserted in v. 5 of Getty copy.

Bound in 6 vols. in sprinkled paper, half calfskin. Spines gilt tooled with author, title & vol. no. Unopened in places; edges roughly trimmed. Property stamp of R.W. Meyer.