E. Narducci, Catalogus codicum manuscriptorum praeter Graecos et Orientales in Bibliotheca Angelica olim coenobii S. Augustini de Urbe. Roma 1893. [Frankfurt, UB, HB 22] [Checked for Roman law only]
E. Celani, in Mazzatinti XXII; S. Vitale, in Mazzatinti LVI und LXXVI [Checked for Roman law only]
