[Law] Hugonis Grotii De Jure Belli ac Pacis
Libri Tres, in quibus Jus Naturae & Gentium, item Juris Publici Praecipua Explicantur (...) Dirigente Johanne Georgio Simone, D., Jenae, Johannis Theodori Fleischeri, Rudolphstadii, 1680.
Sm. folio, vellum, title on spine with gilt-stamping and ornaments, gilt page edges, ill. frontispiece, title in red and black (12),810,(6),44 pp. and index.
De iure belli ac pacis (About the law of war and peace) is the most famous work by Hugo de Groot from 1625. It is the foundation for modern international law, but perhaps even more important is his work De Mari Libero (1609) which has been added to the back of this book. Fine copy.