Columbia subject headings:
Essays.
Literature--History and criticism--Theory, etc.
Harvard subject headings:
German literature--20th century--History and criticism
German literature--21st century--History and criticism
Germanic literature--20th century--History and criticism.
Germanic literature--21st century--History and criticism.
Literature, Modern--20th century--History and criticism
Literature, Modern--21st century--History and criticism
Literature--Research
Princeton subject headings:
Essays.
Literature--History and criticism--Theory, etc.