Columbia subject headings:
Folklore in literature.
History in literature.
Pushkin, Aleksandr Sergeevich, 1799-1837--Criticism and interpretation.
Pushkin, Aleksandr Sergeevich, 1799-1837. Boris Godunov.
Harvard subject headings:
Pushkin, Aleksandr Sergeevich, 1799-1837--Criticism and interpretation.
Pushkin, Aleksandr Sergeevich, 1799-1837. Boris Godunov.
Princeton subject headings: