Columbia subject headings:
Carnival--Russia (Federation)--Kama River Region.
Folklore--Russia (Federation)--Kama River Region.
Kama River Region (Russia)--Religious life and customs.
Kama River Region (Russia)--Social life and customs.
Harvard subject headings:
Princeton subject headings:
Folklore--Russia (Federation)--Kama River Region.
Kama River Region (Russia)--Social life and customs.