E. Von Overbec, Alfred Keywords: Estate | Private international law | Unification of law | Mots clefs: Successions | Droit international privé | Unification du droit | ABSTRACT Alfred von Overbeck begins his course with some general observations on the unification of private international law, and then on the private international law of succession by studying the prospects for the unification of substantive conflict rules. Finally, he examines an aspect of the law of Succession, which has already been the subject of an international convention: the form of wills. Alfred von Overbec…