Columbia subject headings:
Blok, Aleksandr Aleksandrovich, 1880-1921.
Blok, L. D. (Li︠u︡bovʹ Dmitrievna), 1881-1939.
Poets, Russian--20th century--Biography.
Wives--Soviet Union--Biography.
Harvard subject headings:
Princeton subject headings:
Blok, Aleksandr Aleksandrovich, 1880-1921.
Blok, L. D. (Li︠u︡bovʹ Dmitrievna), 1881-1939.
Poets, Russian--20th century--Biography.