Kent Emery Jr.  <br />Twofold wisdom and contemplation in Denys of Ryckel (Dionysius Cartusiensi, 1402-1471),  in: Kent Emery Jr., Monastic, scholastic and mystical theologies from the later Midde Ages, Aldershot, 1996, 99-134 (= Collected studies series , 561)  <br />[Emery 1996e]