Columbia subject headings:
Chamber music--History and criticism.
Hoesch, Hans Eberhard, 1891-1972.
Musical instruments--Germany.
Harvard subject headings:
Chamber music--History and criticism.
Hoesch, Hans Eberhard, 1891-1972.
Musical instruments--Germany
Princeton subject headings:
Collectors and collecting--Germany--Hagen (Arnsberg)--Biography.
Hoesch, Hans Eberhard, 1891-1972.
Industrialists--Germany--Hagen (Arnsberg)--Biography.
Musicians--Germany--Hagen (Arnsberg)--Biography.
Performance practice (Music)