Columbia subject headings:
Harvard subject headings:
Blok, Aleksandr Aleksandrovich, 1880-1921--Criticism and interpretation.
Blok, Aleksandr Aleksandrovich, 1880-1921. Italʹi︠a︡nskie stikhi.
Princeton subject headings:
Blok, Aleksandr Aleksandrovich, 1880-1921. Italʹi︠a︡nskie stikhi.