Columbia subject headings:
Harvard subject headings:
Büchner, Georg, 1813-1837. Hessische Landbote--Congresses.
Democracy in literature--Congresses.
Democracy--History--19th century--Congresses.
German literature--19th century--History and criticism--Congresses
Princeton subject headings:
Büchner, Georg, 1813-1837. Hessische Landbote--Congresses.