Columbia subject headings:
Arnim, Ludwig Achim, Freiherr von, 1781-1831--Correspondence--Catalogs.
Authors, German--19th century--Correspondence--Catalogs.
Brentano, Clemens, 1778-1842--Correspondence--Catalogs.
Universitätsbibliothek Heidelberg--Catalogs.
Harvard subject headings:
Arnim, Ludwig Achim, Freiherr von, 1781-1831--Correspondence--Catalogs.
Authors, German--19th century--Correspondence--Catalogs.
Brentano, Clemens, 1778-1842--Correspondence--Catalogs.
Universitätsbibliothek Heidelberg--Catalogs.
Princeton subject headings:
Arnim, Ludwig Achim, Freiherr von, 1781-1831--Correspondence--Catalogs.
Authors, German--19th century--Correspondence--Catalogs.
Brentano, Clemens, 1778-1842--Correspondence--Catalogs.
Universitätsbibliothek Heidelberg--Catalogs.