Columbia subject headings:
Harvard subject headings:
Organ (Musical instrument)--Italy.
Organ (Musical instrument)--Maintenance and repair.
Organ builders--Italy--Biography.
Parietti, Luigi, 1835-1890.
Verdi, Giuseppe, 1813-1901
Princeton subject headings:
Organ (Musical instrument)--Italy.
Organ (Musical instrument)--Maintenance and repair.
Organ builders--Italy--Biography.
Parietti, Luigi, 1835-1890.
Verdi, Giuseppe, 1813-1901.