H. Alexandrowicz, Charles Keywords: South Asia | Europe | Diplomacy | Treaties | Mots clefs: Asie du Sud | Europe | Diplomatie | Traités | ABSTRACT Charles Alexandrowicz begins his course on Treaties and Diplomatic Relations Between European and South Asian Powers in the Seventeenth and Eighteenth centuries with a historic overview of the relations between Suzerain States and Vassal States. He then presents the controversy between Grotius and Freitas. He examines the treaties and the contexts in which they were signed. F…