Law and Morality : Leon Petrazycki - Petraçzycki, Leon 1867-1931; Babb, Hugh W.; Timasheff, Nicholas Sergeyevitch 1886-1970 (Cambridge, Massachusetts : Harvard University Press, 1955)
Keywords: DERECHO NATURAL; DERECHO Y ETICA; POSITIVISMO JURIDICO; LEYES -- FILOSOFIA