E-book: Libertas Praestantissimum – On the Nature of Human Liberty, by Pope Leo XIII Nov 162010 Pope Leo XIII‘s Encyclical of 20 June 1888 in which he discusses the nature of human liberty and freedom, and the right way to consider true liberty in a human being. From SQPN books. EPub / iPad Microsoft Reader MobiPocket / Kindle PDF Plucker / Palm Sony Reader Zip’d EXE Web Site