Columbia subject headings:
Kirchner, Theodor, 1823-1903--Correspondence.
Musicians--Germany--Correspondence.
Pianists--Germany--Biography.
Schumann, Clara, 1819-1896--Correspondence.
Harvard subject headings:
Kirchner, Theodor, 1823-1903--Correspondence.
Musicians--Germany--Correspondence.
Pianists--Germany--Biography
Schumann, Clara, 1819-1896--Correspondence.
Princeton subject headings:
Kirchner, Theodor, 1823-1903--Correspondence.
Musicians--Germany--Correspondence.
Pianists--Germany--Biography.
Schumann, Clara, 1819-1896--Correspondence.