Columbia subject headings:
Ovchinnikov, Nikolaĭ Vasilʹevich, 1918-2004.
Painters--Russia (Federation)--Chuvashia--Biography.
Socialist realism in art--Russia (Federation)--Chuvashia.
Harvard subject headings:
Artists--Russia (Federation)--Chuvashia.
Ovchinnikov, Nikolaĭ Vasilʹevich), 1918-
Princeton subject headings: