Columbia subject headings:
Büchner, Georg, 1813-1837--Anniversaries, etc.
Revolutions.
Harvard subject headings:
Büchner, Georg, 1813-1837--Anniversaries, etc., 1987.
Büchner, Georg, 1813-1837.
Revolutions
Princeton subject headings:
Büchner, Georg, 1813-1837--Anniversaries, etc., 1987.
Revolutions.