Paris/ Liège, Baudry et cie. 1891 [4] 564 pp., First and only edition, hardcover (marbled plates, spine in green cloth with gilt lettering), few foxing, 25cm., good copy of this very rare work, [Grigore Stourdza or Sturdza, youngest son of Mihail Sturdza, prince of Moldavia, 1821-1901, was educated in Germany and France, had carreer in the Ottoman army under the name of "Muklis Pasha", was a representative of a mechanistic materialism, and wrote some philosophical works of which "Les lois fondamentales de l'univers" is his main one], F79693