Columbia subject headings:
Criticism--Germany--History--19th century.
German literature--19th century--History and criticism.
German literature--History and criticism--Theory, etc.
Science--Philosophy.
Structuralism (Literary analysis)
Structuralism.
Harvard subject headings:
Criticism--Germany--History--19th century
German literature--19th century--History and criticism
German literature--History and criticism--Theory, etc.
Science--Philosophy
Structuralism (Literary analysis)
Structuralism.
System theory
Princeton subject headings:
German literature--19th century--History and criticism.
Science--Philosophy.
Structuralism (Literary analysis)
System theory.