Columbia subject headings:
Arnim, Bettina von, 1785-1859.
Brentano family.
Brentano, Clemens, 1778-1842.
Harvard subject headings:
Arnim, Bettina von, 1785-1859
Brentano, Clemens, 1778-1842.
Princeton subject headings:
Arnim, Bettina von, 1785-1859.
Brentano, Clemens, 1778-1842.