Cecconi, Storia di Palestrina, p. 301, n. 30, 31, from Annali int. rerum Italic, scriptorum, Vol. 24, p. 1115; Vol. 21, p. 146, and from Ciacconi, in Eugen. IV, Platina et Blondus.
The mediæval Italian towns everywhere made use of the Roman aqueducts, and we have from the middle ages practically nothing but repairs on aqueducts, hardly any aqueducts themselves.
Cecconi, Storia di Palestrina, p. 338, speaks of this aqueduct as "quel mirabile antico cuniculo."