History - Factum est proelium
Jul 04, 2024 (phshannon)
Hyperlink added.
remarks
Processional antiphon for St Michael the Archangel,
<a href="https://gallica.bnf.fr/ark:/12148/btv1b84546727/f242.item">
transcribed from Paris, bibliothèque national, latin 776, 117v</a>.