Columbia subject headings:
Udmurtii︠a︡ (Russia)--History.
World War, 1939-1945--Russia (Federation)--Udmurtii︠a︡.
Harvard subject headings:
Udmurtii︠a︡ (Russia)--History.
World War, 1939-1945--Russia (Federation)--Udmurtii︠a︡.
Princeton subject headings:
Udmurtii︠a︡ (Russia)--History--Sources.
World War, 1939-1945--Russia (Federation)--Udmurtia--Sources.