PG 11 · cols. 115–182
Origenes, Περὶ ἀρχῶν seu De principiis liber primus, Rufino interprete
Origen (c. 185-254): On First Principles, the preface on the rule of faith and Book I (on God, Christ, the Holy Spirit, rational creatures and the angels), in the Latin of Rufinus with the surviving Greek fragments and Jerome's fragments of Book I, with the editors' notes (Migne, PG 11). The text was first read by Gemini (a machine reader), and the Reading Room checked a sample of its columns against the page.
Migne Reading Room