PL 54 · cols. 1263–1506
Pasquier Quesnel, Variae lectiones, notae et observationes in Epistolas S. Leonis Magni, cum Balleriniorum annotationibus
Pasquier Quesnel (1634-1719): his variant readings, notes and observations on the letters of Leo the Great, letter by letter from Letter I to the closing Monitum, in Latin, with the Ballerini's annotations answering him at the foot.
Migne Reading Room