PL 5 · cols. 109–116
S. Dionysius papa, Epistolae I seu operis adversus Sabellianos fragmentum
Dionysius of Rome (pope 259-268): the fragment of his letter against the Sabellians and those who divide the Godhead into three, preserved by Athanasius, c. 262, in Migne's Latin with the Greek facing, with the editors' notes (Migne, PL 5). The text was first read and checked by volunteers through the Reading Room's volunteer page.
Migne Reading Room