Columbia subject headings:
Archives--Ukraine--Sumsʹka oblastʹ--Catalogs.
Derz︠h︡avnyĭ arkhiv Sumsʹkoï oblasti--Catalogs.
Sumsʹka oblastʹ (Ukraine)--History--Sources.
Ukraine--History--Sources.
Harvard subject headings:
Princeton subject headings:
Archives--Ukraine--Sumsʹka oblastʹ--Catalogs.
Catalogs.
Derz︠h︡avnyĭ arkhiv Sumsʹkoï oblasti--Catalogs.
Sumsʹka oblastʹ (Ukraine)--History--Sources.
Ukraine--History--Sources.