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