Columbia subject headings:
Holzhey, Johann Nepomuk, 1741-1809.
Organ (Musical instrument)--Germany--Swabia.
Harvard subject headings:
Holzhey, Johann Nepomuk, 1741-1809.
Organ (Musical instrument)--Construction
Organ (Musical instrument)--Germany
Organ (Musical instrument)--Germany--Swabia.
Organ builders--Germany.
Princeton subject headings: