2. University of Pennsylvania, LJS 194 Title: Geometry Author: Sylvester II Place: Austria Date: [between 1125 and 1175]
4. Free Library of Philadelphia, Lewis E 5 Title: De casu diaboli Author: Anselm of Canterbury Place: Rheims Date: 1150-1199
5. Free Library of Philadelphia, Lewis E 165 Title: Compendium logicae Author: Paul of Pergula Place: Italy