Columbia subject headings:
Journalists--Germany--Correspondence.
Revolutionaries--Germany--Correspondence.
Wirth, Johann Georg August, 1798-1848.
Wirth, Regina--Correspondence.
Harvard subject headings:
Journalists--Germany--Correspondence.
Revolutionaries--Germany--Correspondence.
Wirth, Johann Georg August, 1798-1848.
Wirth, Regina--Correspondence.
Princeton subject headings:
Journalists--Germany--Correspondence.
Politicians--Germany--Correspondence.
Wirth, Johann Georg August, 1798-1848.