Columbia subject headings:
German poetry--20th century--History and criticism.
German poetry--Germany (East)--History and criticism.
Lyrikclub Pankow.
Harvard subject headings:
German poetry--20th century--History and criticism
German poetry--Germany (East)--History and criticism
Lyrikclub Pankow.
Princeton subject headings:
German poetry--Germany (East)--History and criticism.
Lyrikclub Pankow--History.