Columbia subject headings:
Liberty in literature.
Liberty--Philosophy.
Literature, Modern--20th century--History and criticism.
Harvard subject headings:
Anxiety
Anxiety in literature.
Anxiety--Philosophy.
German literature--Themes, motives
Liberty in literature.
Liberty--Philosophy
Liberty--Psychological aspects.
Postmodernism (Literature)--Germany.
Princeton subject headings:
Liberty in literature.
Liberty--Philosophy.
Literature, Modern--20th century--History and criticism.