Columbia subject headings:
Dramatists, German--Correspondence.
Iffland, August Wilhelm, 1759-1814--Correspondence.
Kotzebue, August von, 1761-1819--Correspondence.
Harvard subject headings:
Princeton subject headings:
Authors, German--18th century--Correspondence.
Authors, German--19th century--Correspondence.
Iffland, August Wilhelm, 1759-1814--Correspondence.
Kotzebue, August von, 1761-1819--Correspondence.
Personal correspondence.