Unum necessarium, or the great duty of a Christian, in two tracts : the one, of adhering to God, written in Latin by Albertus Magnus: the other, of the love of God, written in High-Dutch, by John Staupitz. Both ... translated into English. - Albertus, Magnus, Saint, 1193?-1280 (Printed for Ric. Baldwin, near the Oxford-Arms in Warwick-Lane, 1692)