GATTAGRISI C (2015). Chartae Latinae Antiquiores. Facsimile-Edition of the Latin Charters, 2nd Series, Ninth Century, Part LXXXVI, Italy LVIII, Lucca XV, docc. nn. 1-5, 7-30 + Premessa, Dietikon-Zurich:Urs Stocker, ISBN: 978-3-85951-228-11