Columbia subject headings:
Harvard subject headings:
Brentano, Clemens, 1778-1842--Correspondence.
Diepenbrock, Apollonia, 1799-1880--Correspondence.
Linder, Emilie, 1797-1867--Correspondence.
Willemer, Marianne von--Correspondence.
Princeton subject headings:
Brentano, Clemens, 1778-1842--Correspondence.
Diepenbrock, Apollonia, 1799-1880--Correspondence.
Linder, Emilie, 1797-1867--Correspondence.
Personal correspondence.
Willemer, Marianne von--Correspondence.