Columbia subject headings:
Harvard subject headings:
Dialectic in literature.
German literature--18th century--History and criticism
German literature--19th century--History and criticism
German literature--20th century--History and criticism
German literature--History and criticism
Secrecy in literature.
Secret (Philosophy)
Secret (Philosophy)--In literature.
Princeton subject headings:
Dialectic in literature.
German literature--History and criticism.
Intertextuality.
Language and languages in literature.
Secrecy in literature.