Columbia subject headings:
Authors, German--Correspondence.
Composers--Germany--Correspondence.
Feminists--Germany--Correspondence.
Kinkel, Gottfried, 1815-1882--Correspondence.
Kinkel, Johanna, 1810-1858--Correspondence.
Socialists--Germany--Correspondence.
Harvard subject headings:
Authors, German--Correspondence
Bonn (Germany)--History.
Composers--Germany--Correspondence
Kinkel, Gottfried, 1815-1882--Correspondence.
Kinkel, Johanna, 1810-1858--Correspondence.
Princeton subject headings:
Authors, German--Correspondence.
Composers--Germany--Correspondence.
Feminists--Germany--Correspondence.
Kinkel, Gottfried, 1815-1882--Correspondence.
Kinkel, Johanna, 1810-1858--Correspondence.
Socialists--Germany--Correspondence.