Columbia subject headings:
Folk music--Russia (Federation)--Udmurtii︠a︡--History and criticism.
Folk songs, Russian--Russia (Federation)--Udmurtii︠a︡--History and criticism.
Russians--Russia (Federation)--Udmurtii︠a︡--Music--History and criticism.
Harvard subject headings:
Folk songs, Russian--Russia (Federation)--Kama River Region.
Folk songs, Russian--Russia (Federation)--Vyatka River Region.
Kama River Region (Russia)--Social life and customs.
Vyatka River Region (Russia)--Social life and customs.
Princeton subject headings: