Witenberg, J.-C. Keywords: Evidence | International law of procedure | Mots clefs: Preuves | Droit international de procédure | ABSTRACT J.-C. Witenberg begins his course with a presentation of the place of evidence in the proceedings. The author then distinguishes what can be proved from what must be proved. The author later asks the question of the subject of evidence: who has to prove? The author focuses on the means of proof. The author presents the written evidence, the testimonial evidence, the affidavit, and…