Columbia subject headings:
Harvard subject headings:
Russian literature--20th century--Periodicals
Russian literature--Russia (Federation)--Omskai︠a︡ oblastʹ--Periodicals.
Princeton subject headings:
Periodicals.
Russian literature--20th century--Periodicals.
Russian literature--Russia (Federation)--Omskai︠a︡ oblastʹ--Periodicals.