Columbia subject headings:
Blok, Aleksandr Aleksandrovich, 1880-1921--Criticism and interpretation.
Harvard subject headings:
Blok, Aleksandr Aleksandrovich, 1880-1921--Criticism and interpretation.
Princeton subject headings:
Authors, Russian--20th century--Iconography.
Blok, Aleksandr Aleksandrovich, 1880-1921--Iconography.
Blok, Aleksandr Aleksandrovich, 1880-1921--Portraits, etc.