Columbia subject headings:
Harvard subject headings:
Kircher, Athanasius, 1602-1680--Congresses.
Kircher, Athanasius, 1602-1680. Musurgia universalis--Congresses.
Music--Germany--17th century--History and criticism--Congresses.
Music--Italy--17th century--History and criticism--Congresses.
Princeton subject headings:
Kircher, Athanasius, 1602-1680--Congresses.
Music--17th century--Congresses.