Columbia subject headings:
Harvard subject headings:
German poetry--20th century--History and criticism
German poetry--21st century--History and criticism.
Radicalism in literature.
Right-wing extremists--Germany
Songs, German--History and criticism.
Princeton subject headings:
German poetry--20th century--History and criticism.
German poetry--21st century--History and criticism.
Radicalism in literature.
Right-wing extremists--Germany.
Songs, German--History and criticism.