Free articles in the new issue of the journal "Ratio Juris" (March 2012):
Papers from the seminar "Law and Morality: The Perspective of Robert Alexy", held on November 12, 2010, at the Bologna University School of Law.
Robert Alexy -
"Law, Morality, and the Existence of Human Rights" [pdf]
George Pavlakos -
"Correctness and Cognitivism. Remarks on Robert Alexy's Argument from the Claim to Correctness" [pdf]
José Juan Moreso -
"Ways of Solving Conflicts of Constitutional Rights: Proportionalism and Specificationism" [pdf]
Dennis Patterson -
"Alexy on Necessity in Law and Morals" [pdf]
See my post on a recent book of essays on the jurisprudence of Robert Alexy: "Institutionalized Reason" (Oxford University Press, 2012).