Fourth additional protocol to the European convention on extradition (Council of Europe treaty series = Série des traités du Conseil de l'Europe ; 212) (Legal instruments = Instruments juridiques)
Fourth additional protocol to the European convention on extradition = Quatrième protocole additionnel à la Convention européenne d'extradition.
(Council of Europe treaty series = Série des traités du Conseil de l'Europe ; 212) (Legal instruments = Instruments juridiques)