Columbia subject headings:
Kestenberg, Leo, 1882-1962--Congresses.
Kestenberg, Leo, 1882-1962--Influence--Congresses.
Music--Instruction and study--History--20th century--Congresses.
Music--Political aspects--Congresses.
Music--Social aspects--Congresses.
Harvard subject headings:
Kestenberg, Leo, 1882-1962--Congresses.
Kestenberg, Leo, 1882-1962--Influence--Congresses.
Music--Instruction and study--History--20th century--Congresses.
Music--Political aspects--Congresses.
Music--Social aspects--Congresses
Princeton subject headings:
Kestenberg, Leo, 1882-1962--Congresses.
Kestenberg, Leo, 1882-1962--Influence--Congresses.
Music--Instruction and study--History--20th century--Congresses.
Music--Political aspects--Congresses.
Music--Social aspects--Congresses.