1381. Free Library of Philadelphia, Lewis T174 Title: Medical text Place: undetermined Date: 1000-1500
1383. Free Library of Philadelphia, Lewis T176 Title: Scholastic treatise Place: undetermined Date: 1000-1500
1384. Free Library of Philadelphia, Lewis T177 Title: Scholastic philosophical treatise Place: undetermined Date: 1000-1500
1385. Free Library of Philadelphia, Lewis T178 Title: Ethical treatise Place: undetermined Date: 1000-1500
1386. Free Library of Philadelphia, Lewis T179 Title: Tractatus de causis Place: undetermined Date: 1000-1500
1387. Free Library of Philadelphia, Lewis T180 Title: Scholastic philosophical treatise Place: undetermined Date: 1000-1500