The League of Nations in retrospect : proceedings of the symposium / organized by the United Nations Library and the Graduate Institute of International Studies, Geneva, 6-9 November 1980 = La Société des Nations, rétrospective : actes du colloque / organisé par la Bibliothèque des Nations Unies et l'Institut universitaire de hautes études internationales, Genève 6-9 novembre 1980 / Switzerland) UnitedNationsLibrary(Geneva, Switzerland) GraduateInstituteofInternationalStudies(Geneva