Columbia subject headings:
Authors and publishers--Germany--Correspondence.
Authors, German--Correspondence.
Klett-Cotta.
Harvard subject headings:
Authors, German--Correspondence
Authors--Correspondence.
Cotta, Johann Friedrich, Freiherr von, 1764-1832--Correspondence.
Klett-Cotta--History--Sources.
Princeton subject headings:
Authors and publishers--Germany--Correspondence.
Authors, German--Correspondence.
Klett-Cotta.