The treatise by the Pseudo-Dionysius De Mystica Theologia was translated into Latin in the ninth century, but it had to await the first decades of the thirteenth to receive interpretation and commentary. Thomas Gallus, a member of the Victorine School at Paris, glossed the Latin version of Iohannes Sarracenus in 1233. This new, critical edition and translation are based upon all five manuscripts, two of which are recent discoveries. The commentary...