Acta Sanctorum Database collects the documents about the lives of saints from the edition published by the Société des Bollandistes. The Patrologia Latina Database comprises the works of the Church Fathers from Tertullian in 200 AD to the death of Pope Innocent III in 1216.
Tip: Try out the cross-searchable facility to work with both at a time.
Acta Sanctorum and Patrologia Latina
