On Thursday, 13 February 2014, at 15h30, prof. Frederick Schauer from the Univeristy of Virginia will give a seminar on Constitutional Rights. Participants are invited to read this text in advance.
Giovanni Battista Ratti, Studi sulla logica del diritto e della scienza giuridica, Madrid: Marcial Pons (Filosofia del diritto positivo), 2013. More here.