^ab Cetty Parisi, Claudia Pelosi, Giorgia Agresti, Francesco Nagni and the collection preserved at the Museum of Colle del Duomo, Viterbo, in Proceeding book, 9th European Symposium of Religious Art, Restoration and Conservation, ESRARC2017, IX, Kermes book, Lexis, 2017, pp. 112-115.