Columbia subject headings:
Haffner, Sebastian--Influence.
Journalism--Germany (East)--History.
Journalism--Political aspects--Germany (East)--History.
Walden, Matthias--Influence.
Harvard subject headings:
Haffner, Sebastian--Influence.
Journalism--Germany (East)--History.
Journalism--Political aspects--Germany (East)--History.
Walden, Matthias--Influence.
Princeton subject headings:
Haffner, Sebastian--Influence.
Journalism--Germany (East)--History.
Journalism--Political aspects--Germany (East)--History.
Walden, Matthias--Influence.