Wolff, Christian. Jus Gentium Methodo Scientifica Pertractatum Volume One and Two, complete set. (Classics of International Law). Oxford: At the Clarendon Press, 1934. 
Two volumes in tan cloth hardcover, ex college library, lacks the rear free end paper in both volumes. xvi., 413; lii., 565 clean pp. International orders require additional shipping charges. Good. Hardcover.
Vol. I. A Photographic Reproduction of the Edition of 1764, with an Introduction by Otfried Nippold, a List of Errata, and a portrait of Wolff.
Vol. II. A Translation of the Text, by Joseph H. Drake, with a Translation (by Francis J. Hemelt) of the Introduction by Otfried Nippold, an Index, and a portrait of Wolff.
Publications of the Carnegie Endowment for International Peace.