5601. Free Library of Philadelphia, Lewis T178 Title: Ethical treatise Place: undetermined Date: 1000-1500
5602. Free Library of Philadelphia, Lewis T179 Title: Tractatus de causis Place: undetermined Date: 1000-1500
5603. Free Library of Philadelphia, Lewis T180 Title: Scholastic philosophical treatise Place: undetermined Date: 1000-1500
5610. Free Library of Philadelphia, Lewis T187 Title: De contemptu mundi Place: undetermined Date: 1000-1500