Columbia subject headings:
Censorship--Germany (East)--History.
Comic books, strips, etc.--Censorship--Germany (East)
Comic books, strips, etc.--Germany (East)--History and criticism.
German literature--20th century--Censorship.
Hegen, Hannes--Criticism and interpretation.
Hegen, Hannes. Mosaik.
Harvard subject headings:
Censorship--Germany (East)
Comic books, strips, etc.--Germany (East)--History and criticism.
Comic books, strips, etc.--Political aspects--Germany (East).
Freedom of the press--Germany (East)
Graphic novels--Germany (East)--History and criticism.
Hegen, Hannes--Criticism and interpretation.
Mosaik (Comic strip)--History and criticism.
Princeton subject headings: