Columbia subject headings:
Harvard subject headings:
Poland--Ethnic relations
Ukrainians--Poland--Western and Northern Territories--History--20th century.
Ukrainians--Relocation--Poland--History--20th century.
Western and Northern Territories (Poland)--Ethnic relations.
Princeton subject headings:
Forced migration--Poland.
Poland--Ethnic relations.
Ukrainians--Poland--History--20th century.
Ukrainians--Poland--Relocation.
Ukrainians--Poland--Western and Northern Territories--History--20th century.