PG 11 · cols. 35–37
C. Delarue, O.S.B., Admonitio generalis in Origenis epistolas
The maurist editors' survey of origen's letters, lost and surviving, as eusebius and the ancient writers record them, in Greek (Migne, PG 11). The text was first read by Gemini (a machine reader); the Reading Room checked a sample of its columns against the page.
Migne Reading Room