org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse English Italian Leopardi - Epistolario, Bollati Boringhieri, Torino 1998, I
org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse English Italian "Dissertazioni filosofiche 1811-1812" di Giacomo Leopardi