Columbia subject headings:
Harvard subject headings:
Johannes, de Garlandia, active 13th century.
John, of Garland, approximately 1195-approximately 1272
John, of Garland, approximately 1195-approximately 1272. De mensurabili musica.
John, of Garland, approximately 1195-approximately 1272. De plana musica.
Music theory--History--500-1400--History and criticism.
Music theory--History--500-1400.
Musical notation
Paleography, Musical.
Princeton subject headings:
Johannes de Garlandia, 13th century.