Columbia subject headings:
Prešovský kraj (Slovakia)--Population--History.
Zakarpatsʹka oblastʹ (Ukraine)--Population--History.
Harvard subject headings:
Ethnology--Ukraine, Western.
Ukraine, Western--Population--Statistics.
Ukrainian Carpathians Region (Ukraine)--Population.
Princeton subject headings:
Ruthenia--Population--History.
Zakarpatsʹka oblastʹ (Ukraine)--Population--History.