Columbia subject headings:
Ave Maria (Music)--History and criticism.
Ave Maria. Sardinian--History and criticism.
Sacred songs--Italy--Sardinia--History.
Harvard subject headings:
Ave Maria (Music)--History and criticism.
Ave Maria. Sardinian--History and criticism.
Sacred songs--Italy--Sardinia--History.
Princeton subject headings:
Ave Maria (Music)--History and criticism.
Ave Maria. Sardinian--History and criticism.
Sacred songs--Italy--Sardinia--History.