Columbia subject headings:
Bach, Johann Christoph Friedrich, 1732-1795--Correspondence.
Composers--Germany--Correspondence.
Harvard subject headings:
Bach, Johann Christoph Friedrich, 1732-1795--Correspondence.
Composers--Germany--Correspondence
Princeton subject headings:
Bach, Johann Christoph Friedrich, 1732-1795--Correspondence.
Bach, Johann Christoph Friedrich, 1732-1795--Criticism and interpretation.
Composers--Germany--Biography--Sources.
Composers--Germany--Correspondence.