“…Till's disciple, the chief referent of the Code of Obligations, Roman Longchamps de Berier, in his rationale of the Code of Obligations, linked the binding force of a contract to a reference to social reality. 30 1919-1939, Kolonia Limited, Wrocław, 2000 See: Redzik, A., Roman Longchamps de Bérier (1883Bérier ( -1941, in: Longchamps de Bérier, F.; Domingo, R., (eds.) Law and Christianity in Poland.…”