Baron Boris Nolde, le Keywords: International trade | Treaties | Mots clefs: Commerce international | Traités | ABSTRACT Boris Nolde begins his course on the Law and the Technique of Commercial Treaties with a history of commercial treaties, from the Middle Ages to Post First World War period. The author then studies the form of commercial treaties and the contracting parties in commercial treaties. The author also focuses on customs territories, the merchant, freedom of trade, conventional customs tariffs, the m…