in the Roman edition of 1570, was attributed to Saint Thomas Aquinas and of which, in fact, St. Thomas wrote a part: "Speculum religiosorum seu institutionum vitae spiritualis", which appeared under the name of Humbert de Romans, Master-General of the Order of Preachers. References External links Guillelmus Peraldus in Bibliotheca Augustana Lewis E 166 Summa de virtutibus (Treatise on the virtues); Summa vitiorum (Treatise on the vices) at OPenn French Dominicans University of Paris alumni 1190 births 1271 deaths 13th-century Latin writers 13th-century French writers