1451. Free Library of Philadelphia, Lewis T168 Title: Physics (Aristotle) Place: undetermined Date: 1000-1500
1453. Free Library of Philadelphia, Lewis T170 Title: Legal commentary Place: undetermined Date: 1000-1500
1454. Free Library of Philadelphia, Lewis T171 Title: Commentary on civil law Place: undetermined Date: 1000-1500
1456. Free Library of Philadelphia, Lewis T173 Title: Communal constitution Place: undetermined Date: 1000-1500
1457. Free Library of Philadelphia, Lewis T174 Title: Medical text Place: undetermined Date: 1000-1500
1459. Free Library of Philadelphia, Lewis T176 Title: Scholastic treatise Place: undetermined Date: 1000-1500
1460. Free Library of Philadelphia, Lewis T177 Title: Scholastic philosophical treatise Place: undetermined Date: 1000-1500