1. University of Pennsylvania, LJS 424 Title: Nonus Almansoris cum annotationibus Doctoris S? : varia alia opuscula. Author: Johannes Mellarinus Place: Bologna Date: 1500-1501.
2. Free Library of Philadelphia, Lewis E 1 Title: De amore Dei Author: Albertanus of Brescia and Leo Archpriest Place: Bologna Date: 1275-1299
3. Free Library of Philadelphia, Lewis E M 26:4-5 Title: Legal treatise Place: Bologna Date: 1300-1325