In 1904, Ed.-Ch. Babut issued a new edition of the important Decretale Ad Gallos episcopos with the help of a second manuscript of the canonical "collection of St. Maur." He attributed it to Pope Damasus (366-384), and not to Sirice (384-398). Nevertheless, he did ignore the existence of the ancestor of the two previous manuscripts and of an other collection, materialized today by two fragmented manuscripts. This new edition of the Decretale is updated with the help of all the existing traditions and brings significant improvements. The attribution to Damasus, discussed throughout the...