The life of Martin Luther, gathered from his own writings
Jules Michelet
... burnt at Wit- temberg, at the east gate, near the holy cross, all the pope's books, the Decree, the Decretals, the Extravagante of Clement VI., Leo X.'s last bull, the Angelic Sum, Eck's Chrysoprasus, and some other works of Eck's and Emser's.