Columbia subject headings:
Harvard subject headings:
Muris, Johannes de, approximately 1300-approximately 1350. Libellus cantus mensurabilis.
Music theory--History--500-1400.
Musical notation.
Princeton subject headings:
Facsimiles.
Muris, Johannes de, approximately 1300-approximately 1350. Libellus cantus mensurabilis.
Music theory--History--500-1400.
Musical notation.