The Vita S. Iuliani Cenomannensis (BHL 4544), one of the most famous hagiographical work composed by Letaldus of Micy shortly after 1004, has very quickly spread (there are sixteen copies for the eleventh century) and, from the twelfth century, many witnesses relate, directly or indirectly, to the Cistercian Liber de Natilitiis.
Excluding the lost manuscripts, we count 69 copies - which list weare providing –
divided into 3 main branches (M, N, O),with M, which is also the most often met, being particularly well adapted to establish the text
