Columbia subject headings:
Postage stamps--Russia (Federation)
Postage stamps--Soviet Union.
Pushkin, Aleksandr Sergeevich, 1799-1837--Illustrations.
Pushkin, Aleksandr Sergeevich, 1799-1837--On postage stamps.
Pushkin, Aleksandr Sergeevich, 1799-1837--Portraits.
Harvard subject headings:
Princeton subject headings:
Pushkin, Aleksandr Sergeevich, 1799-1837--On postage stamps.