Columbia subject headings:
I͡Arensk Region (Russia)--History--Congresses.
Material culture--Russia (Federation)--I͡Arensk Region--Congresses.
Vychegodskiĭ kraĭ (Russia)--History.
Harvard subject headings:
I︠A︡rensk Region (Russia)--History--Congresses.
Material culture--Russia (Federation)--I︠A︡rensk Region--Congresses.
Vychegodskiĭ kraĭ (Russia)--History.
Princeton subject headings: