Columbia subject headings:
Islam--Russia (Federation)--Omskai︠a︡ oblastʹ--History--Sources.
Omskai︠a︡ oblastʹ (Russia)--History--Sources.
Tatars--Russia (Federation)--Omskai︠a︡ oblastʹ--History--Sources.
Harvard subject headings:
Muslims--Russia (Federation)--Omsk Region--History--Sources.
Muslims--Russia (Federation)--Omsk Region--Sources.
Princeton subject headings:
Islam--Russia (Federation)--Omskai︠a︡ oblastʹ--History--Sources.
Omskai︠a︡ oblastʹ (Russia)--History--Sources.
Tatars--Russia (Federation)--Omskai︠a︡ oblastʹ--History--Sources.