Columbia subject headings:
Harvard subject headings:
Augustine, of Hippo, Saint, 354-430. De musica.
Music theory--To 500.
Music--Religious aspects--Christianity--History of doctrines--Early church, ca. 30-600.
Princeton subject headings:
Augustine, of Hippo, Saint, 354-430. De musica.
Music theory--History--To 500.
Music--To 500--Philosophy and aesthetics.