1921. Free Library of Philadelphia, Lewis E 240 Title: Revelations Author: Bridget of Sweden and Cherubino da Spoleto Place: Italy Date: 1400-1499
1924. Free Library of Philadelphia, Lewis E 244 Title: Infortiatum Author: Justinian I and Accursius Place: Bologna Date: 1270-1280
1925. Free Library of Philadelphia, Lewis E 246 Title: De differentia translationis nostrae ab Hebraica littera Veteris testamentum Author: Nicholas of Lyra and Remigio dei Girolami Place: Germany Date: 1400-1499
1926. Free Library of Philadelphia, Lewis E 247 Title: Gesta Regum Anglorum Author: William of Malmesbury and Geoffrey of Monmouth Place: Cirencester Date: 1185-1215
1927. Free Library of Philadelphia, Lewis E 248 Title: Summa de casibus poenitentia Author: Raymond of Penyafort and Guillaume de Rennes Place: France Date: 1250-1299
1928. Free Library of Philadelphia, Lewis E 249A and B Title: Compendium historiae in genealogia Christi Author: Peter of Poitiers Place: England
1929. Free Library of Philadelphia, Lewis E 250 Title: Treatise on the construction of an astrolabe Author: John of Seville Place: undetermined Date: 1400-1499