Columbia subject headings:
Organ (Musical instrument)--Germany--Palatinate.
Organ builders--Germany--Palatinate.
Harvard subject headings:
Organ (Musical instrument)--Germany
Organ (Musical instrument)--Germany--Palatinate.
Organ builders--Germany--Palatinate.
Organ builders--Germany.
Princeton subject headings:
Organ (Musical instrument)--Germany--Palatinate.
Organ builders--Germany--Palatinate.