Roma/ Frascati, Santa Maria Nuova/ S. Eremo Tuscolano 1908 543pp. + frontispiece, original 1918-edition (which is the 2nd edition), 26cm., text in Italian, in the series "Monografie di storia benedettina" volume I, softcover (with traces of use and two labels at the spine), some foxing, weight: 1.4 kg., R118614