Columbia subject headings:
Harvard subject headings:
Composers--Germany--Biography
Conservationists--Germany--Biography.
Musicians--Germany--Biography
Rudorff family.
Rudorff, Ernst, 1840-1916
Princeton subject headings:
Composers--Germany--Biography.
Conservationists--Germany--Biography.
Musicians--Germany--Biography.
Rudorff family.
Rudorff, Ernst, 1840-1916.