Columbia subject headings:
Music--Germany--Lower Saxony--Congresses.
Music--Germany--Lower Saxony--History and criticism.
Harvard subject headings:
Music--Germany--Lower Saxony--Congresses.
Music--Germany--Lower Saxony--History and criticism.
Music--Historiography--Congresses.
Princeton subject headings:
Music--Germany--Lower Saxony--History and criticism--Congresses.
Musicology--Congresses.