2. University of Pennsylvania, Ms. Coll. 591 Folder 36 Title: Pontifical Author: Catholic Church Date: between 1075 and 1099.
4. Free Library of Philadelphia, Lewis E 84 Title: Theological miscellany Author: Robert de Sorbon, Gregory I, Pseudo Bernard of Clairvaux, Hugh of Saint-Cher, and Innocent III Place: England Date: 1300-1350
6. Free Library of Philadelphia, Lewis E 195 Title: Lives of the twelve caesars Author: Suetonius Place: Italy and France Date: 1500-1599 and 1400-1499
7. Free Library of Philadelphia, Lewis E 249A and B Title: Compendium historiae in genealogia Christi Author: Peter of Poitiers Place: England