PL 54 · cols. 467–476

Ballerini, Appendix ad primam partem operum S. Leonis Magni: Praefatio

The Ballerini brothers: the preface to the appendix of sermons wrongly ascribed to Leo the Great, on which sermons are his and how the false ascriptions arose, with their catalogue of forty-one such sermons and the manuscripts that carry them, in Latin.