Columbia subject headings:
Ivanov, V. I. (Vi︠a︡cheslav Ivanovich), 1866-1949--Criticism and interpretation--Congresses.
Harvard subject headings:
Ivanov, V. I. (Vi︠a︡cheslav Ivanovich), 1866-1949--Criticism and interpretation--Congresses.
Princeton subject headings:
Ivanov, V. I. (Vi︠a︡cheslav Ivanovich), 1866-1949--Criticism and interpretation--Congresses.