Herrero, Alejandro Keywords: Spain | Public international law | Legal history | Mots clefs: Espagne | Droit international public | Histoire du droit | ABSTRACT After a general presentation of Spain's international law practice in the 18th century, Alejandro Herrero presents some authors and their works. He focuses on the concept of Jus Gentium among the 18th century Spanish authors. He presents a debate on the domination or instead on the freedom of the sea. The author discusses the subsequent developments on the issue of maritime warfare. Après une présentation générale de la pro…