Columbia subject headings:
Harvard subject headings:
Anneke, Mathilde Franziska Giesler, 1817-1884--Correspondence.
Feminists--Germany--Correspondence.
Feminists--United States--Correspondence.
Hammacher, Franziska, 1821-1895--Correspondence.
Hammacher, Friedrich, 1824-1904--Correspondence.
Princeton subject headings:
Anneke, Mathilde Franziska Giesler, 1817-1884--Correspondence.
Feminists--Germany--Correspondence.
Feminists--United States--Correspondence.
Hammacher, Franziska, 1821-1895--Correspondence.
Hammacher, Friedrich, 1824-1904--Correspondence.
Personal correspondence.