Columbia subject headings:
Literature--History and criticism.
Literature--Philosophy.
Harvard subject headings:
Criticism.
Greimas, Algirdas Julien.
Literature--Philosophy
Lotman, I͡U. M. (I͡Uriĭ Mikhaĭlovich), 1922-1993.
Science--Philosophy
Princeton subject headings:
Literature--History and criticism.
Literature--Philosophy.