Columbia subject headings:
Church music--History.
Haberl, Fr. X. (Franz Xaver), 1840-1910.
Musicologists--Germany.
Musicology--Germany.
Harvard subject headings:
Church music--Catholic Church
Haberl, Fr. X. (Franz Xaver), 1840-1910
Musicologists--Germany--Biography.
Princeton subject headings:
Church music--Catholic Church.
Haberl, Fr. X. (Franz Xaver), 1840-1910.
Musicologists--Germany--Biography.