sentences:  A Study on the common core of legal systems" which deployed the entirely original methodology of the "factual approach" in comparative legal scholarship.The result of the Cornell seminars is a two-volume book published by Oceana in 1968 under Schlesinger's editorship.In 1993 Schlesinger's successor at Hastings Ugo Mattei together with Italian comparativist Mauro Bussani launched the "Common Core of European Private Law Project" deploying the Cornell factual approach to study European contract, property and tort law.