Columbia subject headings:
Gosudarstvennyĭ arkhiv Smolenskoĭ oblasti--Catalogs.
Smolenskai︠a︡ oblastʹ (Russia)--History--Sources.
Harvard subject headings:
Gosudarstvennyĭ arkhiv Smolenskoĭ oblasti--Catalogs.
Smolenskai︠a︡ oblastʹ (Russia)--History--Sources.
Princeton subject headings: