[SIRITUS]. Lot of three legal works between XVIi and XVIII century Interesting together dedicated to the history of law and institutions, including two works by Carlo Sigonio (1524-1584), among the major scholars and antiques of the sixteenth century, dedicated respectively to the story of the Kingdom of Italy and the legal institutions of ancient Rome, and the famous De jure belli ac pacis by Ugo Grozio (1583-1645), a fundamental work in the formation of modern international law. [IN LOTTO CON:] GROTIUS, Hugo (158/1645). De jure belle ac paci libri tres. Lausanne: Marc-Michel Bousquet and Associates, 1758. 5 volumes, 4to (255 x 195mm) Portrait engraved in anti-door to the first and third volume, in beards. Coeval bonding with parchment back, title and gold decorations [IN LOTTO CON:] SIGONIO, Carlo (1524-1584). Historarum de regno Italiae libri XV. Hanau: Typis Wechelianis apud Haeredes Claudii Marnii, 1613. Folio (335 x 200mm) typographical brand at the frontispiece (brunito). Binding in full parchment coeva, gold title on the dowel on the back and coating to the following dishes. [LIGHT WITH:] SIGONIO. De antiquo iure Populi Romani books XI. Leipzig and Halle: Officina Adami Sellii, 1715. 8vo (173 x 100mm) some table folded in the text (brunito). 19th century bonding in half a parchment title and gold decorations on the back. The lot is sold as uncollarized and non-transferable. (7)