Columbia subject headings:
Carols, German--Austria--History and criticism--Congresses.
Christmas music--History and criticism--Congresses.
Gruber, Franz Xaver, 1787-1863. Stille Nacht, heilige Nacht.
Mohr, Joseph, 1792-1848. Stille Nacht, heilige Nacht.
Harvard subject headings:
Carols, German--Austria--Congresses.
Carols, German--Austria--History and criticism--Congresses.
Christmas music--Congresses.
Christmas music--History and criticism--Congresses.
Gruber, Franz Xaver, 1787-1863. Stille Nacht, heilige Nacht
Mohr, Joseph, 1792-1848. Stille Nacht, heilige Nacht.
Princeton subject headings:
Christmas music--History and criticism--Congresses.
Gruber, Franz Xaver, 1787-1863. Stille Nacht, heilige Nacht--Congresses.