Title: [Collection of musical treatises; a hymn].
Authors: Boethius, -524.; Bibliothèque royale Albert Ier.; Carapetyan Collection.
Subjects: Music Manuscripts Belgium Brussels.; Music theory History Manuscripts.
Contents: Includes : De institutione musica /Boetii (f. 2v-75r) --Enchirias de musica /Obdonis abbatis (f. 76r-107v)