Columbia subject headings:
Harvard subject headings:
Arnim, Bettina von, 1785-1859
Arnim, Ludwig Achim, Freiherr von, 1781-1831--Friends and associates.
Regensburg (Germany)--Intellectual life.
Princeton subject headings:
Arnim, Bettina von, 1785-1859.
Arnim, Ludwig Achim, Freiherr von, 1781-1831--Friends and associates.
Brentano, Clemens, 1778-1842.
Regensburg (Germany)--Intellectual life.