Bibles were also copied, such as Cod. 520 and Cod. 571, as well as the works of the Church Fathers, especially Augustine, such as Cod. 14. There were also books dedicated to study: texts on history, geography and topography, such as Cod. 391. Additionally, there were classical works, such as those of Aristotle, contained in Vat. Ottob. Lat. 1406, legal treatises such as the book of Decretals, Cod. 1, and texts on the liberal arts such as the mathematics book Cod. 189 [internal reference to the website, Category 5, Article 3] or Cod. 318 [internal reference to the website, Category 5, Article 4], with musical content.