Columbia subject headings:
Ivanov, V. I. (Vi︠a︡cheslav Ivanovich), 1866-1949. Tantal.
Harvard subject headings:
Ivanov, V. I. (Vi︠a︡cheslav Ivanovich), 1866-1949
Princeton subject headings:
Ivanov, V. I. (Vi︠a︡cheslav Ivanovich), 1866-1949. Tantal.