Columbia subject headings:
Harvard subject headings:
Dobrovolʹskīĭ, V. N. (Vladimīr Nikolaevich)--Congresses.
Ethnology--Russia (Federation)--Congresses
Princeton subject headings:
Dobrovolʹskīĭ, V. N. (Vladimīr Nikolaevich)--Congresses.
Philologists--Russia (Federation)--Biography--Congresses.
Smolenskai︠a︡ oblastʹ (Russia)--Social life and customs--Congresses.