Columbia subject headings:
Harvard subject headings:
Gosudarstvennyĭ arkhiv Kaluzhskoĭ oblasti--Catalogs.
Kaluzhskai︠a︡ oblastʹ (Russia)--History--Sources--Bibliography--Catalogs.
Princeton subject headings:
Catalogs.
Gosudarstvennyĭ arkhiv Kalininskoĭ oblasti--Catalogs.