Chartae Latinae Antiquiores. Facsimile-edition of the Latin Charters, 2nd Series, Ninth Century, edited by G. Cavallo, G. Nicolaj, Part CXVII, Addenda 1, Italy, published by S. Allegria, C. Drago Tedeschini, M. Galante, C. Gattagrisi, C. Mantegna, P. Massa, A. Mastruzzo, F. Santoni, G. E. Unfer Verre, Urs Graf Verlag, Dietikon-Zürich 2019 (Gattagrisi: Lucca, docc. nn. 8-10, 13-14