PL 3 · cols. 911–982
Novatianus presbyter Romanus, De Trinitate liber
Novatian's treatise On the Trinity (c. AD 250), setting out the rule of faith in the Father, the Son and the Holy Spirit against the Sabellians and against those who denied Christ's godhead or his manhood, in Latin, with the editors' argument and notes (Migne, PL 3). The text was first read and checked by volunteers through the Reading Room's volunteer page.
Migne Reading Room