X-Ray Fluorescence and Reflectography Data from Dublin, Chester Beatty Library Coptic manuscripts Mss Cpt. 2018, 2026, 804, 809, 813, 814, 815, 823, 829, 831, 832 and 2020-2 Bonnerot, Olivier Ghigo, Tea 2020 - Forschungsdatenrepositorium der UHH