Columbia subject headings:
Authors, German--19th century--Correspondence.
Büchner, Georg, 1813-1837--Correspondence.
Büchner, Georg, 1813-1837--Exile.
Harvard subject headings:
Authors, German--19th century--Correspondence
Büchner, Georg, 1813-1837--Correspondence.
Büchner, Georg, 1813-1837--Exile.
Princeton subject headings:
Authors, German--19th century--Correspondence.
Büchner, Georg, 1813-1837--Correspondence.
Büchner, Georg, 1813-1837--Exile.