Columbia subject headings:
Poets, Russian--19th century--Biography.
Harvard subject headings:
Poets, Russian--19th century--Biography
Princeton subject headings:
Poets, Russian--19th century--Biography.
Pushkin, Aleksandr Sergeevich, 1799-1837--Friends and associates.
Pushkin, Vasiliĭ Lʹvovich, 1770-1830--Biography.