Columbia subject headings:
Choral music--Italy--Udine--History and criticism.
Pieve di Gorto (Udine, Italy)
Harvard subject headings:
Antiphons (Music)
Canticles.
Cantôrs di Plêf.
Choirs (Music)--Italy--Ovaro--History.
Choral music--Italy--Ovaro.
Church music--Italy.
Masses.
Pieve di Gorto (Ovaro, Italy)
Psalms (Music)
Requiems.
Vespers (Music)
Princeton subject headings: