Columbia subject headings:
Kharkivsʹka oblastʹ (Ukraine)--Social conditions.
Kharkivsʹka oblastʹ (Ukraine)--Social life and customs.
Sumsʹka oblastʹ (Ukraine)--Social conditions.
Sumsʹka oblastʹ (Ukraine)--Social life and customs.
Harvard subject headings:
Kharkivsʹka oblastʹ (Ukraine)--Social conditions.
Kharkivsʹka oblastʹ (Ukraine)--Social life and customs.
Sumsʹka oblastʹ (Ukraine)--Social conditions.
Sumsʹka oblastʹ (Ukraine)--Social life and customs.
Princeton subject headings: