From “Clauis patrum latinorum” list of abreviations i found 7 vols of Ancient Christian Writers (ACW) edited by Johannes Quasten and Joseph Plumpe  pow. by IA staff. these are the avaible vols from archive.org: ACW 4 ACW 7 ACW 10 ACW 11 ACW 12 ACW 15 ACW 22 the first…