Columbia subject headings:
Human sacrifice--Russia (Federation)--Udmurtii︠a︡--History--19th century--Congresses.
Trials (Murder)--Russia (Federation)--Udmurtii︠a︡--History--19th century--Congresses.
Udmurtii︠a︡ (Russia)--History--19th century--Congresses.
Udmurtii︠a︡ (Russia)--Religious life and customs--Congresses.
Harvard subject headings:
Human sacrifice--Russia (Federation)--Udmurtii︠a︡--Congresses.
Trials (Murder)--Russia (Federation)--Udmurtii︠a︡--Congresses.
Udmurtii︠a︡ (Russia)--History--19th century--Congresses.
Udmurts--Social life and customs--Congresses.
Princeton subject headings:
Human sacrifice--Russia (Federation)--Udmurtii︠a︡--Congresses.
Trials (Murder)--Russia (Federation)--Udmurtii︠a︡--Congresses.
Udmurtii︠a︡ (Russia)--History--19th century--Congresses.
Udmurts--Social life and customs--Congresses.