Columbia subject headings:
Irkutskai︠a︡ gubernii︠a︡ (R.S.F.S.R.)--Economic conditions--Bibliography.
Harvard subject headings:
Irkutskai︠a︡ oblastʹ (Russia)--Economic conditions--Bibliography.
Princeton subject headings:
Irkutskai︠a︡ gubernii︠a︡ (R.S.F.S.R.)--Economic conditions--Bibliography.