Columbia subject headings:
History.
Pushkin, Aleksandr Sergeevich, 1799-1837--Criticism and interpretation.
Pushkin, Aleksandr Sergeevich, 1799-1837--Knowledge and learning.
Harvard subject headings:
Pushkin, Aleksandr Sergeevich, 1799-1837--Criticism and interpretation.
Pushkin, Aleksandr Sergeevich, 1799-1837--Knowledge--History.
Princeton subject headings:
Pushkin, Aleksandr Sergeevich, 1799-1837--Criticism and interpretation.
Pushkin, Aleksandr Sergeevich, 1799-1837--Knowledge--History.