Columbia subject headings:
Music--Austria--Upper Austria--17th century--History and criticism.
Music--Austria--Upper Austria--18th century--History and criticism.
Organ (Musical instrument)--Austria--Upper Austria.
Harvard subject headings:
Music--Austria--Upper Austria--17th century--History and criticism.
Music--Austria--Upper Austria--18th century--History and criticism.
Organ (Musical instrument)--Austria--Upper Austria.
Organ (Musical instrument)--Construction
Organ builders.
Princeton subject headings:
Music--Austria--Upper Austria--17th century--History and criticism.
Music--Austria--Upper Austria--18th century--History and criticism.
Organ (Musical instrument)--Austria--Upper Austria.