Eléments métaphysiques de la doctrine du droit suivis d'un Essai philosophique sur la paix perpétuelle, et d'autres écrits relatifs au droit naturel

French first edition, by Jules Barni, agrégé de philosophie, docteur es lettres.
Half morocco binding with light brown long grain. Smooth spine decorated with 4 tools and series of 4 fillets repeated 7 times. Red flowered paper boards. Traces of rubbing. 3 corners turned down and worn. Some pale foxing.
Bookplate, blue stamp on title page, above the address: Dr. Lopez Praça, Lente da universidade.
The Doctrine of Right is the first part of the Metaphysics of Morals, the second part which will be entitled Metaphysics of Virtue will be published in 1855; it is announced opposite the title.
Kant indeed distinguishes the metaphysics of right from that of virtue in his work published in 1797 and which comprises two major divisions.