Columbia subject headings:
Falk, Caroline, 1780-1841--Correspondence.
Falk, Johann Daniel, 1768-1826--Correspondence.
Harvard subject headings:
Authors, German--19th century--Correspondence
Falk, Caroline, 1780-1841--Correspondence.
Falk, Johann Daniel, 1768-1826--Correspondence.
Weimar (Thuringia, Germany)--History--Sources.
Princeton subject headings:
Falk, Caroline, 1780-1841--Correspondence.
Falk, Johann Daniel, 1768-1826--Correspondence.
Personal correspondence.