Columbia subject headings:
Harvard subject headings:
Guido, d'Arezzo.
Hildegard, Saint, 1098-1179
Hugh, of Saint-Victor, 1096?-1141
Human body (Philosophy)
Human body--Symbolic aspects
Music theory--History--500-1400.
Rabanus Maurus, Archbishop of Mainz, 784?-856.
Princeton subject headings:
Human body (Philosophy)
Human body--Symbolic aspects.
Music theory--History--500-1400.