Columbia subject headings:
Mystery in literature.
Pushkin, Aleksandr Sergeevich, 1799-1837--Criticism and interpretation.
Harvard subject headings:
Marvelous, The, in literature.
Mystery in literature.
Pushkin, Aleksandr Sergeevich, 1799-1837--Criticism and interpretation.
Princeton subject headings:
Pushkin, Aleksandr Sergeevich, 1799-1837--Criticism and interpretation.