Columbia subject headings:
German literature--20th century--History and criticism.
German philology.
Politics and literature.
Harvard subject headings:
German literature--20th century--History and criticism
German literature--21st century--History and criticism
Politics and literature--Germany--History--20th century.
Politics and literature--Germany--History--21st century.
Politics in literature.
Princeton subject headings:
German literature--20th century--History and criticism.
German philology.
Politics and literature.