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